G.f. satisfies: A(x) = Sum_{n>=0} n! * x^n * A(x)^(n*(n-1)/2).
A219358
G.f. satisfies: A(x) = Sum_{n>=0} n! * x^n * A(x)^(n*(n-1)/2).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =46a(5) =334a(6) =2882a(7) =28604a(8) =320248a(9) =3993184a(10) =54942740a(11) =828086732a(12) =13586200504a(13) =241294019584
External references
- oeis: A219358