OFFSET
0,18
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, -1, -1, 0, -2, 0, -1, -1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, -1).
FORMULA
a(0)=1, a(1)=0, a(2)=0, a(3)=0, a(4)=0, a(5)=0, a(6)=1, a(7)=0, a(8)=1, a(9)=1, a(10)=0, a(11)=1, a(12)=1, a(13)=0, a(14)=1, a(15)=1, a(16)=1, a(17)=2, a(18)=2, a(19)=1, a(20)=2, a(21)=1, a(22)=2, a(23)=2, a(24)=3, a(25)=2, a(26)=3, a(27)=3, a(28)=3, a(29)=3, a(30)=4, a(31)=3, a(32)=4, a(33)=5, a(n)=a(n-6)+a(n-8)+a(n-9)+a(n-11)-a(n-14)-a(n-15)- 2*a(n-17)- a(n-19)- a(n-20)+a(n-23)+a(n-25)+a(n-26)+a(n-28)-a(n-34). - Harvey P. Dale, Feb 14 2016
MATHEMATICA
CoefficientList[Series[1/((1-x^6)(1-x^8)(1-x^9)(1-x^11)), {x, 0, 70}], x] (* or *) LinearRecurrence[{0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, -1, -1, 0, -2, 0, -1, -1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, -1}, {1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 2, 2, 1, 2, 1, 2, 2, 3, 2, 3, 3, 3, 3, 4, 3, 4, 5}, 80] (* Harvey P. Dale, Feb 14 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved