

A029226


Expansion of 1/((1x^2)(1x^7)(1x^8)(1x^9)).


1



1, 0, 1, 0, 1, 0, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 5, 4, 6, 4, 6, 5, 7, 7, 9, 9, 10, 10, 11, 11, 13, 13, 16, 15, 18, 17, 20, 19, 22, 22, 25, 25, 28, 28, 31, 31, 34, 34, 38, 38, 42, 42, 46, 46, 50, 50, 55, 55, 60, 60, 65, 65, 70
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OFFSET

0,9


COMMENTS

Number of partitions of n into parts 2, 7, 8, and 9.  Vincenzo Librandi, Jun 02 2014


LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (0,1,0,0,0,0,1,1,0,1,1,0,0,0,1,1,0,1,1,0,0,0,0,1,0,1).


MATHEMATICA

CoefficientList[Series[1/((1  x^2) (1  x^7) (1  x^8) (1 x^9)), {x, 0, 100}], x] (* Vincenzo Librandi, Jun 02 2014 *)


PROG

(PARI) Vec(1/((1x^2)*(1x^7)*(1x^8)*(1x^9)) + O(x^80)) \\ Jinyuan Wang, Mar 15 2020


CROSSREFS

Sequence in context: A035466 A122521 A086394 * A093354 A317245 A332277
Adjacent sequences: A029223 A029224 A029225 * A029227 A029228 A029229


KEYWORD

nonn,easy


AUTHOR

N. J. A. Sloane


STATUS

approved



