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#15 by Harvey P. Dale at Sun Aug 29 16:30:51 EDT 2021
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#14 by Harvey P. Dale at Sun Aug 29 16:30:47 EDT 2021
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LinearRecurrence[{1, 0, 2, -2, 0, -1, 1}, {1, 3, 5, 17, 23, 29, 53}, 60] (* Harvey P. Dale, Aug 29 2021 *)
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approved
editing
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#13 by Bruno Berselli at Thu Apr 04 03:00:13 EDT 2019
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#12 by Jon E. Schoenfield at Wed Apr 03 22:46:40 EDT 2019
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#11 by Jon E. Schoenfield at Wed Apr 03 22:46:38 EDT 2019
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| FORMULA
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This has the conjectured Gg.f. and recurrence. (End)
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proposed
editing
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#10 by Robert Israel at Wed Apr 03 15:28:52 EDT 2019
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#9 by Robert Israel at Wed Apr 03 15:28:23 EDT 2019
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| LINKS
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<a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,2,-2,0,-1,1)
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#8 by Robert Israel at Wed Apr 03 15:23:34 EDT 2019
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| LINKS
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Robert Israel, <a href="/A211440/b211440.txt">Table of n, a(n) for n = 0..10000</a>
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| FORMULA
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From Robert Israel, Apr 03 2019: (Start)
a(3*j) = 10*j^2+6*j+1.
a(3*j+1) = 10*j^2 + 10*j + 3.
a(3*j+2) = 10*j^2 + 14*j + 5.
This has the conjectured G.f. and recurrence. (End)
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| MAPLE
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seq(op([10*j^2+6*j+1, 10*j^2 + 10*j + 3, 10*j^2 + 14*j + 5]), j=0..30); # Robert Israel, Apr 03 2019
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approved
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#7 by Bruno Berselli at Mon May 15 10:58:32 EDT 2017
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#6 by Colin Barker at Mon May 15 10:47:21 EDT 2017
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