a(n) = [x^n] E(x)^n where E(x) = exp( Sum_{k >= 1} A108628(k-1)*x^k/k ).

A362728

a(n) = [x^n] E(x)^n where E(x) = exp( Sum_{k >= 1} A108628(k-1)*x^k/k ).

Terms

    a(0) =1a(1) =1a(2) =9a(3) =91a(4) =985a(5) =11101a(6) =128475a(7) =1515032a(8) =18116825a(9) =218988046a(10) =2669804209a(11) =32776883899a(12) =404733925435

External references