G.f. satisfies A(x) = (1 + x) * (1 + x*A(x)^3).
A364336
G.f. satisfies A(x) = (1 + x) * (1 + x*A(x)^3).
Terms
- a(0) =1a(1) =2a(2) =7a(3) =39a(4) =242a(5) =1634a(6) =11631a(7) =85957a(8) =653245a(9) =5072862a(10) =40077807a(11) =321106623a(12) =2602911282a(13) =21308131235a(14) =175909559897
External references
- oeis: A364336