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A124554
Row 4 of table A124550; also equals the self-convolution 4th power of A124564, which is row 4 of table A124560.
10
1, 4, 26, 204, 1899, 21180, 287568, 4802716, 99084889, 2531896840, 80346294380, 3173108251044, 156222183969181, 9603287701405136, 738066706464107408, 71003673625149131020, 8559188942710590217013, 1294012524894298022238700
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.
FORMULA
G.f.: A(x) = [ Sum_{k>=0} y^k * R_{4k}(y) ]^4, where R_n(x) is the g.f. of row n in table A124550.
CROSSREFS
Sequence in context: A369124 A118971 A369102 * A321586 A206391 A368968
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Nov 07 2006
STATUS
approved