-2166

Appears in sequences

• Expansion of eta(q)/eta(q^5)^5 in powers of q.at n=37A109063
• Number triangle read by rows, related to exp(x)/(cos(x) + sin(x)).at n=22A117442
• a(n) = A218542(n) - A218543(n).at n=18A257259
• Coefficient of x^3 in the minimal polynomial of the continued fraction [1^n,sqrt(6),1,1,...], where 1^n means n ones.at n=3A266807
• Expansion of e.g.f. exp(1 - 4*x - exp(x)).at n=5A367819
• Irregular triangle, read by rows: Coefficients of the polynomials P_n, n>=2 such that the series f(x) = c + c(x-c) + Sum_{n>=2} P_n(c)/c^((n-1)*(n+2)/2+1) (x-c)^n/n! satisfies f(c) = c and f'(f(x)) = x near the fixed point c in (0,oo).at n=50A375720