login
A025815
Expansion of 1/((1-x^2)(1-x^6)(1-x^11)).
1
1, 0, 1, 0, 1, 0, 2, 0, 2, 0, 2, 1, 3, 1, 3, 1, 3, 2, 4, 2, 4, 2, 5, 3, 6, 3, 6, 3, 7, 4, 8, 4, 8, 5, 9, 6, 10, 6, 10, 7, 11, 8, 12, 8, 13, 9, 14, 10, 15, 10, 16, 11, 17, 12, 18, 13, 19, 14, 20, 15, 21, 16, 22, 17, 23, 18, 25, 19
OFFSET
0,7
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 1, 0, 0, 0, 1, 0, -1, 0, 0, 1, 0, -1, 0, 0, 0, -1, 0, 1).
MATHEMATICA
CoefficientList[Series[1/((1-x^2)(1-x^6)(1-x^11)), {x, 0, 80}], x] (* or *) LinearRecurrence[ {0, 1, 0, 0, 0, 1, 0, -1, 0, 0, 1, 0, -1, 0, 0, 0, -1, 0, 1}, {1, 0, 1, 0, 1, 0, 2, 0, 2, 0, 2, 1, 3, 1, 3, 1, 3, 2, 4}, 80] (* Harvey P. Dale, Jul 30 2024 *)
CROSSREFS
Sequence in context: A143232 A329981 A096030 * A219199 A029225 A341977
KEYWORD
nonn
AUTHOR
STATUS
approved