1554957

Appears in sequences

• a(n) = A051193(A072109(n))/A018804(A072109(n)).at n=8A071645
• Expansion of (1+4*x-2*x^2-4*x^3+4*x^4) / ((x-1)*(3*x^2+3*x+1)*(2*x^3+2*x^2+4*x+1)).at n=12A110685