A017249 a(n) = (9*n + 7)^5.

16807, 1048576, 9765625, 45435424, 147008443, 380204032, 844596301, 1680700000, 3077056399, 5277319168, 8587340257, 13382255776, 20113571875, 29316250624, 41615795893, 57735339232, 78502725751

Offset

0,1

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.: (16807 + 947734*x + 3726274*x^2 + 2234174*x^3 + 160859*x^4 + 32*x^5)/(x-1)^6. - R. J. Mathar, Mar 20 2018

Prog

(Magma) [(9*n+7)^5: n in [0..30]]; // Vincenzo Librandi, Jul 27 2011

Crossrefs

Sequence in context: A016985 A017153 A265479 * A017357 A017477 A017609

Adjacent sequences: A017246 A017247 A017248 * A017250 A017251 A017252

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved