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A124563
Row 3 of table A124560; also, the self-convolution cube equals A124553, which is row 3 of table A124550.
6
1, 1, 4, 22, 158, 1455, 16918, 244644, 4361883, 95746603, 2592416878, 86825876398, 3607980811184, 186517056299848, 12022039151786966, 967930783674722085, 97490785254375447744, 12299113367136495834881, 1945525636812103772634604
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.
FORMULA
G.f.: A(x) = Sum_{k>=0} y^k * [R_{3k}(y)]^(3k), where R_n(x) is the g.f. of row n in table A124560.
CROSSREFS
Cf. A124560 (table); other rows: A124551, A124562, A124564, A124565, A124566.
Sequence in context: A112697 A327994 A113717 * A122704 A087547 A218678
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Nov 07 2006
STATUS
approved