55707

Appears in sequences

• a(n+1) is the smallest number > a(n) such that the digits of a(n)^2 are all (with multiplicity) contained in the digits of a(n+1)^2, with a(0)=2.at n=20A067975
• Triangle read by rows: T(n,k) is the number of strongly connected directed multigraphs with loops, with n arcs and k vertices.at n=49A139622
• Numbers k such that 9*10^k + 89 is prime.at n=30A278335