A160737 4*P_5(n), 4 times the Legendre Polynomial of order 5 at n.
0, 4, 743, 6732, 30046, 94100, 237429, 517468, 1014332, 1834596, 3115075, 5026604, 7777818, 11618932, 16845521, 23802300, 32886904, 44553668, 59317407, 77757196, 100520150, 128325204, 161966893, 202319132, 250338996, 307070500, 373648379
Offset: 0
Links
- G. C. Greubel, Table of n, a(n) for n = 0..1000
- Index entries for linear recurrences with constant coefficients, signature (6,-15,20,-15,6,-1).
Programs
-
Magma
[n*(63*n^4-70*n^2+15)/2: n in [0..30]]; // G. C. Greubel, May 02 2018
-
Maple
A160737 := proc(n) 4*orthopoly[P](5,n) ; end proc: # R. J. Mathar, Oct 24 2011
-
Mathematica
Table[4 LegendreP[5,n],{n,0,50}]
-
PARI
a(n)=4*pollegendre(5,n) \\ Charles R Greathouse IV, Mar 18 2017
Formula
a(n) = n*(63*n^4-70*n^2+15)/2. - Vaclav Kotesovec, Jul 31 2013
G.f.: x*(4+719*x+2334*x^2+719*x^3+4*x^4) / (x-1)^6 . - R. J. Mathar, May 06 2016