G.f. A(x) satisfies: 1 = Sum_{n=-oo..+oo} (-x)^((n+1)^2) * ((1+x)^n - A(x))^n.
A355154
G.f. A(x) satisfies: 1 = Sum_{n=-oo..+oo} (-x)^((n+1)^2) * ((1+x)^n - A(x))^n.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =47a(4) =248a(5) =1354a(6) =7832a(7) =46672a(8) =285136a(9) =1775728a(10) =11232028a(11) =71959338a(12) =465981585a(13) =3045116666a(14) =20055877798a(15) =132995908915a(16) =887220714352
External references
- oeis: A355154