-3419

Appears in sequences

• Expansion of psi(x^3) / psi(x) in powers of x where psi() is a Ramanujan theta function.at n=51A101195
• Expansion of x*(1 - 3*x + x^2) / (1 - x - 2*x^2 + x^3).at n=16A122161
• Triangular sequence of coefficients from a polynomial recursion: p(x,n)=-2 (-(n - 1) + x)*p(x, n - 1) + (-(n + 1) + (n + 2)* x - x^2)p(x, n - 2).at n=23A137663
• Values of n such that L(2) and N(2) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=34A226922
• G.f.: x^(k^2)/(mul(1-x^(2*i),i=1..k)*mul(1+x^(2*r-1),r=1..oo)) with k=4.at n=45A246580
• Expansion of 1/(Sum_{k>=0} x^(k^3))^3.at n=27A363777