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1, 2, 15, 204, 4345, 133212, 5621371, 319211576, 24097683942, 2399637270890, 313606810455697, 53638534570897308, 11984755429488415041, 3491974842611221434342, 1324861497596788043284935
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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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.
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FORMULA
| a(n) is divisible by (n+1): A124559(n) = a(n)/(n+1).
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CROSSREFS
| Cf. A124550 (table); A124557, A124559; A124551, A124552, A124554, A124555, A124556.
Sequence in context: A042355 A020557 A184361 * A020565 A099718 A143881
Adjacent sequences: A124555 A124556 A124557 * A124559 A124560 A124561
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KEYWORD
| nonn
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AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Nov 07 2006
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