-14725

Appears in sequences

• a(n) = 5*a(n-1) - 9*a(n-2), with a(0)=0, a(1)=1.at n=10A190970
• a(n) = -a(n-1) - 3*a(n-2) with n>1, a(0)=0, a(1)=1.at n=20A214733
• Coefficients in the expansion of ([s] + [2s]x + [3s]x^2 + ...)/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = e - 1, s = r/(1-r).at n=28A279632