-9620

Appears in sequences

• Magnetic susceptibility coefficients for square lattice spin 3/2 Ising model.at n=25A010118
• E.g.f.: (sqrt(Pi)/2)*erf(log(1-x)).at n=9A086934
• G.f. A(x) satisfies: 4^n/2 = Sum_{k=0..n} [x^k]A(x)^n and also satisfies: ((4+z)^n + z^n)/2 = Sum_{k=0..n} [x^k](A(x)+z*x)^n for all z, where [x^k]A(x)^n denotes the coefficient of x^k in A(x)^n.at n=17A100240
• A triangular array made from polynomial coefficients of A049614.at n=39A118687
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of min(i,j)^2 (A106314).at n=23A204020
• Expansion of Sum_{k>=0} k^2 * x^k/(1 + k * x).at n=12A349853