-117649

Appears in sequences

• Triangle, T(n, k) = k^6 - n^6 - 5*(n*k)^2*(n^2 - k^2) + 4*n*k*((n*k)^4 - 1), read by rows.at n=28A123964
• Scaled row sum zero vector recursion:s=7; v(n)={s^(n+1),s^(n+1)-Sum[s^i,{i,2,n}],s^n,...,-1}/s^2.at n=38A152861
• Numerators to Dirichlet inverse of Euler totient based version of series expansion for x/LambertW(x).at n=8A230283
• Numerators of the coefficients in the expansion of 1/W(x) - 1/x where W(x) is the Lambert W function.at n=7A264234
• a(n) = (2*sqrt(7)*sin(Pi/7))^n + (-2*sqrt(7)*sin(2*Pi/7))^n + (-2*sqrt(7)*sin(4*Pi/7))^n.at n=7A275830
• Irregular triangle T(n,k), n >= 0, 0 <= k <= 2*n+1, read by rows, where T(n,k) = [x^k] (1-x)^(n+1) * Sum_{k=0..n} (k+1)^n * x^k.at n=55A382287