66290

Appears in sequences

• Numbers n such that sigma(n+2)-2sigma(n+1)+sigma(n) = n.at n=2A066244
• n for which floor((4/3)^n) is prime.at n=38A070762
• Numbers m such that pi(m) = d_1^1 + d_2^2 + ... + d_k^k where d_1 d_2 ... d_k is the decimal expansion of m.at n=8A112719
• Number of principal reversible magic squares of order 4n.at n=60A308951
• Number of length-n binary words whose longest repeated suffix equals the longest repeated prefix.at n=18A327544