A025807 Expansion of 1/((1-x^2)(1-x^5)(1-x^7)).

1, 0, 1, 0, 1, 1, 1, 2, 1, 2, 2, 2, 3, 2, 4, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 13, 14, 14, 15, 16, 16, 18, 17, 19, 19, 20, 21, 21, 23, 23, 24, 25, 25, 27, 27, 29, 29, 30, 31, 32, 33, 34, 35

Offset

0,8

Links

Table of n, a(n) for n=0..63.

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

Mathematica

CoefficientList[Series[1/((1-x^2)(1-x^5)(1-x^7)), {x, 0, 70}], x] (* or *) LinearRecurrence[{0, 1, 0, 0, 1, 0, 0, 0, -1, 0, 0, -1, 0, 1}, {1, 0, 1, 0, 1, 1, 1, 2, 1, 2, 2, 2, 3, 2}, 70] (* Harvey P. Dale, Sep 05 2017 *)

Crossrefs

Sequence in context: A029232 A221531 A282970 * A120254 A263020 A068796

Adjacent sequences: A025804 A025805 A025806 * A025808 A025809 A025810

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved