-1695

Appears in sequences

• a(n) = 7^n - n^6.at n=4A024081
• Coefficients in the expansion of ([s] + [2s]x + [3s]x^2 + ...)/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = sqrt(3), s = r/(1-r).at n=28A279630
• G.f. A(x) satisfies A(A(A(A(x)))) = x + 4*x^2 + 16*x^3.at n=7A372537