A086627 - OEIS

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A086627

Main diagonal of square table A086626 of coefficients of x^n*y^k in f(x,y) that satisfies f(x,y) = (1-xy)/[(1-x)(1-y)] + xy*f(x,y)^3.

1, 1, 9, 84, 907, 10821, 137832, 1840560, 25467579, 362282805, 5269082817, 78037617936, 1173393814590, 17870848219324, 275178599887938

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..14.

CROSSREFS

Cf. A086626 (table), A086628 (antidiagonal sums).

Sequence in context: A181353 A370029 A152056 * A024118 A166902 A348316

Adjacent sequences: A086624 A086625 A086626 * A086628 A086629 A086630

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jul 24 2003

STATUS

approved