229335

Appears in sequences

• Numbers k such that k and k^2 use only the digits 2, 3, 4, 5 and 9.at n=17A137070
• Let b(n,0) = n and b(n,k) = 2*b(n,k-1) + 1 for k > 0. Then a(n) = b(n,1) + b(n,2) + ... + b(n,n).at n=12A190730