Expansion of g.f.: exp( Sum_{n>=1} [ Sum_{k>=0} C(n+k-1,k)^3 *x^k ] *x^n/n ).

A181066

Expansion of g.f.: exp( Sum_{n>=1} [ Sum_{k>=0} C(n+k-1,k)^3 *x^k ] *x^n/n ).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =7a(4) =31a(5) =157a(6) =865a(7) =5051a(8) =30774a(9) =193669a(10) =1250319a(11) =8240232a(12) =55239187a(13) =375624781a(14) =2585449450a(15) =17982937876a(16) =126222946496a(17) =893073250063

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