A017607 a(n) = (12*n + 7)^3.

343, 6859, 29791, 79507, 166375, 300763, 493039, 753571, 1092727, 1520875, 2048383, 2685619, 3442951, 4330747, 5359375, 6539203, 7880599, 9393931, 11089567, 12977875, 15069223, 17373979, 19902511, 22665187, 25672375, 28934443, 32461759, 36264691, 40353607, 44738875, 49430863

Offset

0,1

Links

Matthew House, Table of n, a(n) for n = 0..10000

Index entries for linear recurrences with constant coefficients, signature (4,-6,4,-1).

Formula

G.f.: (343+5487*x+4413*x^2+125*x^3)/(1-x)^4.

a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3) - a(n-4). - Wesley Ivan Hurt, Sep 05 2025

Mathematica

(12 Range[0, 40] + 7)^3 (* Wesley Ivan Hurt, Sep 05 2025 *)

Crossrefs

Sequence in context: A017355 A167727 A017475 * A277636 A224427 A134263

Adjacent sequences: A017604 A017605 A017606 * A017608 A017609 A017610

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved