-1752
domain: Z
Appears in sequences
- Expansion of sin(tan(x)*cosh(x)).at n=3A009511
- Sum_{d divides n} d^2*(-1)^bigomega(d), where bigomega(n) = A001222(n).at n=44A076792
- An Alexander sequence for the knot 6_3.at n=13A099447
- Expansion of (8 / 7) * (1 - eta(q)^7 / eta(q^7)) - 7 * (eta(q) * eta(q^7))^3 in powers of q.at n=44A138810
- Expansion of 1/(1 + x + x/(1 + x^2 + x^2/(1 + x^3 + x^3/(1 + x^4 + x^4/(1 + ...))))), a continued fraction.at n=25A292854
- Triangle read by rows of coefficients for functions and generating functions for the number of achiral color patterns (set partitions) for a row or loop of varying length using exactly n colors (sets).at n=63A305008
- Coefficients T(n,k) of x^n*y^k in the function A(x,y) that satisfies: y = Sum_{n=-oo..+oo} x^(2*n+1) * (1 - x^n)^(n+1) * A(x,y)^n, as a triangle read by rows with k = 0..n for each row index n >= 0.at n=81A357400