A097339 2^n+n^3.

1, 3, 12, 35, 80, 157, 280, 471, 768, 1241, 2024, 3379, 5824, 10389, 19128, 36143, 69632, 135985, 267976, 531147, 1056576, 2106413, 4204952, 8400775, 16791040, 33570057, 67126440, 134237411, 268457408, 536895301, 1073768824, 2147513439

Offset

0,2

Links

Table of n, a(n) for n=0..31.

Index entries for linear recurrences with constant coefficients, signature (6,-14,16,-9,2).

Formula

G.f. : (1-3x+8x^2-11x^3-x^4)/((1-x)^4(1-2x)).

Mathematica

Table[2^n+n^3, {n, 0, 80}] (* Vladimir Joseph Stephan Orlovsky, Feb 15 2011*)

Crossrefs

Cf. A006127, A001580.

Sequence in context: A225075 A293267 A295363 * A260006 A303862 A320346

Adjacent sequences: A097336 A097337 A097338 * A097340 A097341 A097342

Keyword

easy,nonn

Author

Paul Barry, Aug 05 2004

Status

approved