E.g.f. satisfies: A(x) = exp(x*exp(x^2*exp(x^3*exp(...exp(x^n*...))))).
A138738
E.g.f. satisfies: A(x) = exp(x*exp(x^2*exp(x^3*exp(...exp(x^n*...))))).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =7a(4) =25a(5) =121a(6) =1561a(7) =9871a(8) =101137a(9) =1293265a(10) =15765841a(11) =226501111a(12) =3355388521a(13) =55348183177a(14) =981791212585
External references
- oeis: A138738