-573

Appears in sequences

• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 5.at n=35A060024
• a(1) = 1; a(n) = tau(n) - tau(n-1)* a(n-1) if n > 1.at n=8A079898
• Expansion of f(-x^2)^2 * f(x, x^2) / f(-x^3)^3 in powers of x where f(,) is a Ramanujan theta function.at n=38A132179
• First differences of A142705.at n=27A142888
• INVERT transform of A002321, Mertens's function.at n=15A144031
• Row sums of triangle A161363.at n=21A161375
• Expansion of eta(q) * eta(q^9) * eta(q^21)^2 / (eta(q^3)^2 * eta(q^7) * eta(q^63)) in powers of q.at n=46A226059
• Expansion of f(-x) * psi(x^2) * phi(x^3) / f(-x^3)^3 in powers of x where phi(), psi(), f() are Ramanujan theta functions.at n=19A230256
• Signed version of A164984.at n=51A248810
• Numerators of inverse Riordan triangle of Riordan triangle A029635. Riordan (1/(1-x), x/(1+2*x)). Triangle read by rows for 0 <= m <= n.at n=62A251634
• Expansion of f(-x^2)^2 * f(-x, x^2) / f(x^3)^3 in powers of x where f(,) is Ramanujan's general theta function.at n=38A254525
• Expansion of Sum_{k>=0} x^(k*(k+1)/2) / Product_{j=1..k} (1 + x^j)^j.at n=41A306706
• Dirichlet inverse of A064664, the inverse permutation of EKG-sequence.at n=41A323411
• Expansion of Product_{k>=1} (1 - (x*(1 - x))^k).at n=19A327671
• Coefficients in the even function A(x) = Sum_{n>=0} a(n)*x^(2*n) such that: 2 = Sum_{n=-oo..+oo} x^n * (x^n + i*sqrt(A(x)))^n, where i^2 = -1.at n=9A355867
• Expansion of e.g.f. exp( ((1+2*x)^(3/2) - 1)/3 ).at n=7A380260