-1542

Appears in sequences

• Expansion of (1-x)/(1+x+x^2+2*x^3).at n=25A078047
• Coefficients in asymptotic expansion of probability that a random pair of elements from the alternating group A_k generates all of A_k.at n=6A113869
• O.g.f.: exp( Sum_{n>=1} -(sigma(2*n^2) - sigma(n^2)) * (-x)^n/n ).at n=20A215603
• Expansion of Sum_{k>=1} (-1)^(k+1)*k*x^k/(1 - k*x^k).at n=19A308366
• G.f. satisfies A((A(x) - x)/x^2) = x, this sequence gives the coefficients at odd powers only.at n=6A309637
• Expansion of x*(1 - 4*x)^(3/2)/(3*x - 1)^2.at n=8A320826
• G.f. A(x) satisfies: A(x) = x + x^2 / exp(A(x) - A(x^2)/2 + A(x^3)/3 - A(x^4)/4 + ...).at n=23A345233