-3616

Appears in sequences

• Expansion of psi(x^4) / phi(x) in powers of x where phi(), psi() are Ramanujan theta functions.at n=17A210063
• Expansion of q * f(-q,-q^7)^2 / (phi(q^2) * psi(-q)) in powers of q where phi(), psi(), f(,) are Ramanujan theta functions.at n=34A224216
• Expansion of f(-q^3, -q^5)^2 / (psi(-q) * phi(q^2)) in powers of q where phi(), psi(), f() are Ramanujan theta functions.at n=35A245432
• a(n) = coefficient of x^(2*n) in A(x) such that A(x) = G(x)^2 where G(x) = 1 + Sum_{n>=1} (-1)^n * x^(4*n^2) * (F(x/2)^(2*n) + F(-x/2)^(2*n)), and F(x) is the g.f. of A357787.at n=12A357803
• G.f. A(x) satisfies A(x) = 1 + x*A(x)/A(-x*A(x)^2).at n=10A385013
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A385013.at n=76A385017