A017165 a(n) = (9*n)^5.

0, 59049, 1889568, 14348907, 60466176, 184528125, 459165024, 992436543, 1934917632, 3486784401, 5904900000, 9509900499, 14693280768, 21924480357, 31757969376, 44840334375, 61917364224

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

Index entries for linear recurrences with constant coefficients, signature (6,-15,20,-15,6,-1).

Formula

G.f.: 59049*x*(1 + 26*x + 66*x^2 + 26*x^3 + x^4) / (x-1)^6. - R. J. Mathar, Jul 17 2014

Prog

(Magma) [(9*n)^5: n in [0..30]]; // Vincenzo Librandi, Jul 22 2011

Crossrefs

Sequence in context: A046323 A368950 A017081 * A017381 A017501 A017633

Adjacent sequences: A017162 A017163 A017164 * A017166 A017167 A017168

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved