2444444442

Appears in sequences

• Expansion of x*(11 + 22*x + 20*x^2)/((1-x)*(1+x)*(1 - 10*x^2)).at n=18A094620
• Expansion of g.f. x*(2+22*x+11*x^2)/((x-1)*(1+x)*(10*x^2-1)).at n=18A094625
• a(n) = 111111111 * n.at n=21A172525