-1598
domain: Z
Appears in sequences
- Expansion of 1/( (1-x)*(1 + x^2 + x^3) ).at n=48A077889
- Binomial transform of Mertens's function sequence A002321.at n=10A106397
- Expansion of q^(-1) * f(-q^2, -q^5)^2 * f(-q^3, -q^4) / f(-q^1, -q^6)^3 in powers of q where f() is Ramanujan's two-variable theta function.at n=49A108481
- Riordan array (1/(1+xc(-2x)), xc(-2x)/(1+xc(-2x))), c(x) the g.f. of A000108.at n=41A114189
- a(n) = 2*a(n-1) - a(n-2) - a(n-4).at n=23A131041
- Numerator of Hermite(n, 9/31).at n=2A160307
- Expansion of q^(-1) * f(-q^3, -q^4)^3 / (f(-q^1, -q^6)^2 * f(-q^2, -q^5)) in powers of q where f() is Ramanujan's two-variable theta function.at n=49A246713
- Expansion of Product_{k>=1} 1/(1 - x^(2*k) + x^(3*k)).at n=27A276526