login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A160737
4*P_5(n), 4 times the Legendre Polynomial of order 5 at n.
6
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
0,2
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
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}]
PROG
(PARI) a(n)=4*pollegendre(5, n) \\ Charles R Greathouse IV, Mar 18 2017
(Magma) [n*(63*n^4-70*n^2+15)/2: n in [0..30]]; // G. C. Greubel, May 02 2018
CROSSREFS
Sequence in context: A090588 A053986 A222961 * A128846 A332174 A195625
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 17 2009
STATUS
approved