555555551

Appears in sequences

• a(n) = (5*10^n - 41)/9 for n > 0.at n=8A173804
• Non-repdigit numbers n such that A045876(n) ends with n.at n=18A276802
• Expansion of x*(1 + 5*x + 40*x^2)/((1 - x^2)*(1 - 10*x^2)).at n=17A322927