-7040

Appears in sequences

• Expansion of 1/(1+2*x^2-2*x^3).at n=19A077964
• Triangle T(n,k) = (1-k*(k-1))*A053120(n,k), read by rows, 0<=k<=n.at n=44A137448
• a(n) = floor(-(3/2)*a(n-1)), a(1)=-2.at n=20A333588