E.g.f. satisfies A(x) = 1/(1 - x*A(x))^(x^2*A(x)^2).
A371147
E.g.f. satisfies A(x) = 1/(1 - x*A(x))^(x^2*A(x)^2).
Terms
- a(0) =1a(1) =0a(2) =0a(3) =6a(4) =12a(5) =40a(6) =2700a(7) =21168a(8) =173040a(9) =7611840a(10) =125415360a(11) =1848591360a(12) =71211998880
External references
- oeis: A371147