-737
domain: Z
Appears in sequences
- Numerators of coefficients in Airy-type asymptotic expansion.at n=2A069244
- Series expansion of (-3 - 2*x)/(1 + x - x^3) in powers of x.at n=46A078712
- First column in inverse of Euler phi sequence matrix.at n=28A106479
- Sequence is {a(3,n)}, where a(m,n) is defined at sequence A110665.at n=37A110668
- A (-1, 2) Somos-4 sequence associated to the elliptic curve y^2 + 2*x*y + y = x^3 + x^2 + x.at n=6A178418
- Expansion of f(-x) * f(x^4, x^8) / f(-x^3)^2 in powers of x where f(, ) is Ramanujan's general theta function.at n=49A263050
- Expansion of (E_4(q) - 28*E_4(q^2) + 63*E_4(q^3) - 36*E_4(q^6)) / 240.at n=11A288485
- Nearest integer to 1/delta_n, where the delta_n are coefficients in Sitaramachandrarao's series for the Riemann zeta function.at n=21A330552
- a(n) = Sum_{k=1..n} (-1)^k*k^2*floor(n/k).at n=48A366915
- Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (x^n + A(x))^n = 1 + 3*Sum_{n>=1} x^(n^2).at n=9A370032
- Deficiency of squares: a(n) = 2n^2 - sigma(n^2).at n=39A377879