G.f. A(x) satisfies: 1 = Sum_{n>=0} (-1)^n * (n+1) * x^(n*(n+1)/2) * A(x)^(n+1) /( Product_{k=1..n+1} 1 - x^k*A(x) ).
A338185
G.f. A(x) satisfies: 1 = Sum_{n>=0} (-1)^n * (n+1) * x^(n*(n+1)/2) * A(x)^(n+1) /( Product_{k=1..n+1} 1 - x^k*A(x) ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =39a(5) =162a(6) =710a(7) =3218a(8) =14975a(9) =71104a(10) =343127a(11) =1677901a(12) =8296177a(13) =41405278a(14) =208316214a(15) =1055403113a(16) =5379799482a(17) =27571260823a(18) =141981480530a(19) =734300071652
External references
- oeis: A338185