200477278

Appears in sequences

• Main diagonal of triangle A100229.at n=16A100230
• a(n+1) = a(n)^2 + 2*a(n) - 2 and a(1) = 10.at n=3A145510
• Expansion of x*(3+x-x^3)/((1-3*x-x^2)*(1-x)*(1+x)).at n=16A212962