A025821 Expansion of 1/((1-x^2)(1-x^8)(1-x^9)).

1, 0, 1, 0, 1, 0, 1, 0, 2, 1, 2, 1, 2, 1, 2, 1, 3, 2, 4, 2, 4, 2, 4, 2, 5, 3, 6, 4, 6, 4, 6, 4, 7, 5, 8, 6, 9, 6, 9, 6, 10, 7, 11, 8, 12, 9, 12, 9, 13, 10, 14, 11, 15, 12, 16, 12, 17, 13, 18, 14, 19, 15, 20, 16, 21, 17, 22, 18, 23

Offset

0,9

Links

Table of n, a(n) for n=0..68.

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

Crossrefs

Sequence in context: A083897 A368212 A025823 * A161233 A161057 A161261

Adjacent sequences: A025818 A025819 A025820 * A025822 A025823 A025824

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved