E.g.f. satisfies: A'(x) = (1 + x*A(x))^4 with A(0)=1.
A144009
E.g.f. satisfies: A'(x) = (1 + x*A(x))^4 with A(0)=1.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =20a(4) =144a(5) =1352a(6) =15360a(7) =206688a(8) =3214848a(9) =56694144a(10) =1118486016a(11) =24409113600a(12) =583825803264
External references
- oeis: A144009