-1824

Appears in sequences

• Expansion of (1-x)/(1+2*x^2+2*x^3).at n=16A078037
• Expansion of (1-4x^2)/(1+4x+3x^2).at n=7A128416
• Expansion of psi(x^4) / phi(x) in powers of x where phi(), psi() are Ramanujan theta functions.at n=15A210063
• E.g.f.: Series_Reversion( x/(cos(x) + sin(x)) ).at n=5A215638
• 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=30A224216
• 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=31A245432
• 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 A384943.at n=41A384946