-21428

Appears in sequences

• Triangle, read by rows, equal to the matrix inverse of Q=A113381.at n=31A114158
• G.f.: 1 + 1*x/(1 + 2*x^2/(1 + 3*x^3/(1 + 4*x^4/(1 + 5*x^5/(1 + ...))))).at n=23A343468