G.f. A(x) satisfies: [x^n] A(x)^((n+1)(n+2)/2) = 0 for n>1 with a(0)=1 and a(1)=2.
A250117
G.f. A(x) satisfies: [x^n] A(x)^((n+1)(n+2)/2) = 0 for n>1 with a(0)=1 and a(1)=2.
Terms
- a(0) =1a(1) =2a(2) =-10a(3) =84a(4) =-868a(5) =9872a(6) =-121392a(7) =1522000a(8) =-20885744a(9) =249139392a(10) =-4898915424a(11) =-6811333312
External references
- oeis: A250117