A017103 a(n) = (8*n+3)^3.

27, 1331, 6859, 19683, 42875, 79507, 132651, 205379, 300763, 421875, 571787, 753571, 970299, 1225043, 1520875, 1860867, 2248091, 2685619, 3176523, 3723875, 4330747, 5000211, 5735339, 6539203, 7414875

Offset

0,1

Links

Vincenzo Librandi, 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.: (27+1223*x+1697*x^2+125*x^3)/(x-1)^4 . - R. J. Mathar, Jul 14 2016

Mathematica

Table[(8 n + 3)^3, {n, 0, 40}] (* Bruno Berselli, Sep 17 2015 *)

Prog

(Magma) [(8*n+3)^3: n in [0..30]]; // Vincenzo Librandi, Jul 12 2011

Crossrefs

Sequence in context: A273518 A075547 A167732 * A042407 A042404 A073224

Adjacent sequences: A017100 A017101 A017102 * A017104 A017105 A017106

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved