OFFSET
0,11
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 1, 1, 1, 0, 0, -1, -1, 0, 0, 0, 0, 0, -1, -1, 0, 0, 1, 1, 1, 0, 0, 0, -1).
FORMULA
a(0)=1, a(1)=0, a(2)=0, a(3)=0, a(4)=1, a(5)=1, a(6)=1, a(7)=0, a(8)=1, a(9)=1, a(10)=2, a(11)=2, a(12)=2, a(13)=1, a(14)=2, a(15)=3, a(16)=4, a(17)=3, a(18)=3, a(19)=3, a(20)=5, a(21)=5, a(22)=6, a(23)=5, a(24)=6, a(25)=6, a(n)=a(n-4)+a(n-5)+a(n-6)-a(n-9)-a(n-10)-a(n-16)-a(n-17)+ a(n-20)+ a(n-21)+a(n-22)-a(n-26). - Harvey P. Dale, Jul 10 2013
MATHEMATICA
CoefficientList[Series[1/((1-x^4)(1-x^5)(1-x^6)(1-x^11)), {x, 0, 80}], x] (* or *) LinearRecurrence[ {0, 0, 0, 1, 1, 1, 0, 0, -1, -1, 0, 0, 0, 0, 0, -1, -1, 0, 0, 1, 1, 1, 0, 0, 0, -1}, {1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 2, 2, 2, 1, 2, 3, 4, 3, 3, 3, 5, 5, 6, 5, 6, 6}, 80] (* Harvey P. Dale, Jul 10 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved