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Search: id:A124552
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| 1, 2, 7, 30, 159, 1056, 8812, 92062, 1200415, 19512990, 395379699, 9991017068, 315094522052, 12413464676162, 611490149713956, 37699912801819870, 2911578809929672737, 281916836769424155940, 34249052273023310929439
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OFFSET
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0,2
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COMMENT
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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.
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FORMULA
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G.f.: A(x) = [ Sum_{k>=0} y^k * R_{2k}(y) ]^2, where R_n(x) is the g.f. of row n in table A124550.
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CROSSREFS
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Cf. A124550; other rows: A124551, A124553, A124554, A124555, A124556.
Adjacent sequences: A124549 A124550 A124551 this_sequence A124553 A124554 A124555
Sequence in context: A066114 A088128 A001053 this_sequence A020045 A020135 A102158
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KEYWORD
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nonn
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Nov 07 2006
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