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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 (list; graph; refs; listen; history; text; internal format)
 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 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 Cf. A124550; other rows: A124551, A124552, A124553, A124555, A124556. Sequence in context: A253255 A141381 A118971 * A321586 A206391 A228966 Adjacent sequences:  A124551 A124552 A124553 * A124555 A124556 A124557 KEYWORD nonn AUTHOR Paul D. Hanna, Nov 07 2006 STATUS approved

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Last modified August 6 16:05 EDT 2020. Contains 336255 sequences. (Running on oeis4.)