-658
domain: Z
Appears in sequences
- Expansion of e.g.f. sin(sinh(x)*exp(x)).at n=6A009496
- Expansion of log(1+x)*log(1+tanh(x))/2.at n=7A024331
- 9th differences of primes.at n=38A036270
- Numerator of Hermite(n, 4/19).at n=2A159621
- Numerator of Hermite(n, 10/23).at n=2A159874
- Numerator of Hermite(n, 16/29).at n=2A160270
- Expansion of f(-x, -x^4) / f(x, x^4) in powers of x where f(,) is Ramanujan's two-variable theta function.at n=48A215594
- Expansion of Product_{k>=1} (1 + x^(4*k))/(1 + x^k).at n=51A261734
- a(n) = nearest integer to n^2 * sin(sqrt(n)).at n=29A274088
- Take alternate terms of A274088 and A274090.at n=58A274091
- Expansion of Product_{k>=1} (1 - q^k)^8/(1 - q^(7*k)) in powers of q.at n=25A282942
- a(n) = Sum_{k=1..n} (-1)^k*k^2*floor(n/k).at n=40A366915
- G.f. satisfies A(x) = 1 + x*A(x) - x^2*A(x)^3.at n=9A367028