G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n / (1-x)^( n*(n+1) ) / A(x)^( (n+1)*(n+2)/2 ).
A296231
G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n / (1-x)^( n*(n+1) ) / A(x)^( (n+1)*(n+2)/2 ).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =7a(6) =16a(7) =48a(8) =157a(9) =586a(10) =2362a(11) =10214a(12) =46672a(13) =223752a(14) =1118799a(15) =5810185a(16) =31237145a(17) =173412537a(18) =992006284a(19) =5837461604a(20) =35283954583a(21) =218791917313
External references
- oeis: A296231