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#36 by Charles R Greathouse IV at Thu Sep 08 08:45:12 EDT 2022
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| PROG
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(MAGMAMagma) [n le 2 select n else 2*Self(n-1) - 8*Self(n-2): n in [1..30]]; // G. C. Greubel, Oct 22 2018
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Discussion
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| Thu Sep 08
| 08:45
| OEIS Server: https://oeis.org/edit/global/2944
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#35 by Harvey P. Dale at Sun Jan 17 13:30:56 EST 2021
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#34 by Harvey P. Dale at Sun Jan 17 13:30:53 EST 2021
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| MATHEMATICA
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CoefficientList[Series[1/(1-2x+8x^2), {x, 0, 60}], x] (* Harvey P. Dale, Jan 17 2021 *)
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| STATUS
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approved
editing
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#33 by N. J. A. Sloane at Sat Dec 07 12:18:24 EST 2019
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| PROG
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(Sage) [lucas_number1(n, 2, 8) for n in xrangerange(1, 21)] # Zerinvary Lajos, Apr 23 2009
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Discussion
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| Sat Dec 07
| 12:18
| OEIS Server: https://oeis.org/edit/global/2837
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#32 by OEIS Server at Tue Oct 23 02:54:53 EDT 2018
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| LINKS
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G. C. Greubel, <a href="/A090591/b090591_1.txt">Table of n, a(n) for n = 0..1000</a>
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#31 by Bruno Berselli at Tue Oct 23 02:54:53 EDT 2018
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Discussion
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| Tue Oct 23
| 02:54
| OEIS Server: Installed new b-file as b090591.txt. Old b-file is now b090591_1.txt.
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#30 by Bruno Berselli at Tue Oct 23 02:54:49 EDT 2018
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| PROG
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(MAGMA) I:=[1, 2]; [) [n le 2 select I[n] else 2*Self(n-1) - 8*Self(n-2): n in [1..30]]; // G. C. Greubel, Oct 22 2018
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| STATUS
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proposed
editing
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#29 by G. C. Greubel at Tue Oct 23 02:49:52 EDT 2018
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#28 by G. C. Greubel at Tue Oct 23 02:48:50 EDT 2018
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| OFFSET
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10,2
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| LINKS
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G. C. Greubel, <a href="/A090591/b090591_1.txt">Table of n, a(n) for n = 10..10011000</a>
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| FORMULA
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Binomial transform of (1+x)/(1+7x7*x^2).
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| MATHEMATICA
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Join[{a=1, b=2}, Table[c=2*b-8*a; a=b; b=c, {n, 60}]] (* Vladimir Joseph Stephan Orlovsky, Jan 18 2011 *)
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| STATUS
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proposed
editing
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Discussion
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| Tue Oct 23
| 02:49
| G. C. Greubel: offset corrected, b-file and minor edits.
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#27 by Muniru A Asiru at Tue Oct 23 00:40:33 EDT 2018
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Discussion
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| Tue Oct 23
| 02:12
| Michel Marcus: problem : the offset should be 0 : 1 + 2*x - 4*x^2 - 24*x^3 - 16*x^4 + 160*x^5 + ...
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