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A029297
Expansion of 1/((1-x^3)(1-x^6)(1-x^8)(1-x^9)).
0
1, 0, 0, 1, 0, 0, 2, 0, 1, 3, 0, 1, 4, 0, 2, 5, 1, 3, 7, 1, 4, 8, 2, 5, 11, 3, 7, 13, 4, 8, 16, 5, 11, 19, 7, 13, 23, 8, 16, 26, 11, 19, 31, 13, 23, 35, 16, 26, 41, 19, 31, 46, 23, 35, 53, 26, 41, 59, 31, 46, 67, 35, 53, 74, 41
OFFSET
0,7
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 1, 0, 0, 1, 0, 1, 0, 0, -1, -1, 0, -1, -1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, -1).
FORMULA
a(0)=1, a(1)=0, a(2)=0, a(3)=1, a(4)=0, a(5)=0, a(6)=2, a(7)=0, a(8)=1, a(9)=3, a(10)=0, a(11)=1, a(12)=4, a(13)=0, a(14)=2, a(15)=5, a(16)=1, a(17)=3, a(18)=7, a(19)=1, a(20)=4, a(21)=8, a(22)=2, a(23)=5, a(24)=11, a(25)=3, a(n)=a(n-3)+a(n-6)+a(n-8)-a(n-11)-a(n-12)-a(n-14)- a(n-15)+ a(n-18)+ a(n-20)+a(n-23)-a (n-26). - Harvey P. Dale, Jun 21 2015
MATHEMATICA
CoefficientList[Series[1/((1-x^3)(1-x^6)(1-x^8)(1-x^9)), {x, 0, 70}], x] (* or *) LinearRecurrence[{0, 0, 1, 0, 0, 1, 0, 1, 0, 0, -1, -1, 0, -1, -1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, -1}, {1, 0, 0, 1, 0, 0, 2, 0, 1, 3, 0, 1, 4, 0, 2, 5, 1, 3, 7, 1, 4, 8, 2, 5, 11, 3}, 70] (* Harvey P. Dale, Jun 21 2015 *)
CROSSREFS
Sequence in context: A358402 A210381 A368591 * A289871 A257563 A373118
KEYWORD
nonn
AUTHOR
STATUS
approved