Expansion of e.g.f. exp( exp(x) * (1 + x^2 / 2) - 1 ).
A372623
Expansion of e.g.f. exp( exp(x) * (1 + x^2 / 2) - 1 ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =11a(4) =48a(5) =247a(6) =1448a(7) =9445a(8) =67651a(9) =526704a(10) =4418875a(11) =39670270a(12) =378931567a(13) =3832882393a(14) =40886570975a(15) =458341921775
External references
- oeis: A372623