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#13 by Alois P. Heinz at Wed Feb 10 08:12:05 EST 2021
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#12 by Pontus von Brömssen at Wed Feb 10 08:11:21 EST 2021
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#11 by Pontus von Brömssen at Wed Feb 10 08:09:35 EST 2021
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| REFERENCES
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R. FrobergFröberg, C. Gottlieb and R. HaggkvistHäggkvist, "On numerical semigroups", Semigroup Forum, 35 (1987), 63-83 (for definition of Frobenius number).
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approved
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#10 by Ray Chandler at Fri Jul 31 11:50:28 EDT 2015
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#9 by Ray Chandler at Fri Jul 31 11:50:25 EDT 2015
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| LINKS
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<a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5, -10, 10, -5, 1).
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approved
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#8 by Charles R Greathouse IV at Thu Nov 21 12:47:46 EST 2013
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Table[4n^4+16n^3+20n^2+8n-1, {n, 30}] (* or *) LinearRecurrence[ {5, -10, 10, -5, 1}, {47, 287, 959, 2399, 5039}, 30] (* From ] (* _Harvey P. Dale, _, Apr 25 2011 *)
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Discussion
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| Thu Nov 21
| 12:47
| OEIS Server: https://oeis.org/edit/global/2062
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#7 by T. D. Noe at Tue Feb 14 22:01:44 EST 2012
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#6 by Colin Barker at Tue Feb 14 14:38:36 EST 2012
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#5 by Colin Barker at Tue Feb 14 14:38:31 EST 2012
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| FORMULA
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a(1)=47,a(2)=287,a(3)=959,a(4)=2399,a(5)=5039,a(n)=5a(n-1)-10a(n-2) +10a(n-3)-5a(n-4)+a(n-5) [). [From Harvey P. Dale, Apr 25 2011]
G.f.: x*(47+52*x-6*x^2+4*x^3-x^4)/(1-x)^5. [Colin Barker, Feb 14 2012]
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approved
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#4 by Joerg Arndt at Mon Apr 25 10:36:22 EDT 2011
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