login
A017081
a(n) = (8*n + 1)^5.
1
1, 59049, 1419857, 9765625, 39135393, 115856201, 282475249, 601692057, 1160290625, 2073071593, 3486784401, 5584059449, 8587340257, 12762815625, 18424351793, 25937424601, 35723051649, 48261724457
OFFSET
0,2
FORMULA
G.f.: (1 + 59043*x + 1065578*x^2 + 2132198*x^3 + 658533*x^4 + 16807*x^5)/(x-1)^6. - R. J. Mathar, Jul 14 2016
MATHEMATICA
(8*Range[0, 20]+1)^5 (* or *) LinearRecurrence[{6, -15, 20, -15, 6, -1}, {1, 59049, 1419857, 9765625, 39135393, 115856201}, 20] (* Harvey P. Dale, Apr 12 2023 *)
PROG
(Magma) [(8*n+1)^5: n in [0..30]]; // Vincenzo Librandi, Jul 11 2011
CROSSREFS
Sequence in context: A255893 A046323 A368950 * A017165 A017381 A017501
KEYWORD
nonn,easy
STATUS
approved