G.f. A(x) satisfies 2 = Sum_{n=-oo..+oo} x^n * (1 + x^n)^n * (1+x)^(n^2) * A(x)^n.
A379198
G.f. A(x) satisfies 2 = Sum_{n=-oo..+oo} x^n * (1 + x^n)^n * (1+x)^(n^2) * A(x)^n.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =29a(4) =148a(5) =865a(6) =5481a(7) =35891a(8) =240290a(9) =1642093a(10) =11426333a(11) =80724482a(12) =577729923a(13) =4182253815a(14) =30591920071a(15) =225940210520
External references
- oeis: A379198