E.g.f. satisfies: A(x) = Sum_{n>=0} x^n/n! * A(x)^(n(n-1)/2).
A155804
E.g.f. satisfies: A(x) = Sum_{n>=0} x^n/n! * A(x)^(n(n-1)/2).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =19a(5) =161a(6) =1606a(7) =21022a(8) =323485a(9) =5874913a(10) =122077756a(11) =2871573596a(12) =75437801539
External references
- oeis: A155804