A124555 Row 5 of table A124550; also equals the self-convolution 5th power of A124565, which is row 5 of table A124560.

1, 5, 40, 385, 4345, 57876, 926340, 18088835, 434349525, 12879458545, 473368667181, 21628231535280, 1231043822730950, 87448787189791250, 7764880712865963895, 862911010853538242176, 120154448960730327164325

Offset

0,2

Comments

In table A124550, the g.f. of row n, R_n(y), simultaneously satisfies: R_n(y) = [ Sum_{k>=0} y^k * R_{n*k}(y) ]^n for n>=0.

Links

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

Formula

G.f.: A(x) = [ Sum_{k>=0} y^k * R_{5k}(y) ]^5, where R_n(x) is the g.f. of row n in table A124550.

Crossrefs

Cf. A124550; other rows: A124551, A124552, A124553, A124554, A124556.

Sequence in context: A369125 A130564 A368011 * A152601 A079158 A061633

Adjacent sequences: A124552 A124553 A124554 * A124556 A124557 A124558

Keyword

nonn

Author

Paul D. Hanna, Nov 07 2006

Status

approved