A124566 Row 6 of table A124560; also, the self-convolution 6th power equals A124556, which is row 6 of table A124550.

1, 1, 7, 70, 891, 14036, 272914, 6525900, 190604859, 6781448755, 294798563020, 15737487680990, 1036588563202854, 84606134756948277, 8587502188940359207, 1086820294948914428468, 171866738763640156327659

Offset

0,3

Comments

In table A124560, the g.f. of row n, R_n(y), simultaneously satisfies: R_n(y) = Sum_{k>=0} y^k * [R_{n*k}(y)]^(n*k) for n>=0.

Links

Table of n, a(n) for n=0..16.

Formula

G.f.: A(x) = Sum_{k>=0} y^k * [R_{6k}(y)]^(6k), where R_n(x) is the g.f. of row n in table A124560.

Crossrefs

Cf. A124560 (table); other rows: A124551, A124562, A124563, A124564, A124565.

Sequence in context: A305966 A226805 A113343 * A141151 A001669 A051604

Adjacent sequences: A124563 A124564 A124565 * A124567 A124568 A124569

Keyword

nonn

Author

Paul D. Hanna, Nov 07 2006

Status

approved