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A025880 Expansion of 1/((1-x^5)(1-x^6)(1-x^11)). 0
1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 2, 1, 0, 1, 2, 3, 2, 1, 1, 2, 3, 3, 2, 2, 2, 3, 4, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 10, 9, 9, 9, 10, 11, 11, 10, 10, 11, 12 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,12

LINKS

Table of n, a(n) for n=0..76.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 1).

FORMULA

a(0)=1, a(1)=0, a(2)=0, a(3)=0, a(4)=0, a(5)=1, a(6)=1, a(7)=0, a(8)=0, a(9)=0, a(10)=1, a(11)=2, a(12)=1, a(13)=0, a(14)=0, a(15)=1, a(16)=2, a(17)=2, a(18)=1, a(19)=0, a(20)=1, a(21)=2, a(n)=a(n-5)+a(n-6)+ a(n-16)- a(n-17)+a(n-22). - Harvey P. Dale, Jul 08 2014

MATHEMATICA

CoefficientList[Series[1/((1-x^5)(1-x^6)(1-x^11)), {x, 0, 100}], x] (* or *) LinearRecurrence[{0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 1}, {1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 2, 1, 0, 1, 2}, 100] (* Harvey P. Dale, Jul 08 2014 *)

CROSSREFS

Sequence in context: A004197 A261684 A048571 * A058755 A128519 A303979

Adjacent sequences:  A025877 A025878 A025879 * A025881 A025882 A025883

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 28 23:19 EST 2020. Contains 332353 sequences. (Running on oeis4.)