108100

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 1, 5, 6 and 8.at n=20A136870
• G.f.: 1/(1 - x - x^2 - x^3 + x^5 + x^6 + x^7).at n=22A227376
• a(n) = n*(2*n+1)*binomial(n+2,n)/3.at n=23A289643