56586

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)=1.at n=28A014563
• Numbers that define integer Heronian triangles [prime(a(n)), prime(a(n)+1), A068965(n)] with area A068966(n).at n=31A068964
• Numbers k such that sum of digits of k = sum of digits of anti-divisors of k.at n=23A213239
• T(n,k) is the number of non-equivalent distinguishing partitions of the cycle on n vertices with exactly k parts. Regular triangle read by rows, n >= 1, 1 <= k <= n.at n=70A324802
• Numbers k such that k and k+2 are both terms in A380846.at n=14A381073