51992

Appears in sequences

• Number of n-step anisotropic spirals on cubic lattice.at n=8A006780
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 57.at n=3A031735
• Numbers n such that n + sum of prime factors of n = (n+1) + sum of prime factors of (n+1).at n=34A075654
• Sum T(n,k) of the k-th entries in all blocks of all set partitions of [n]; triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=29A285595
• Numbers k such that A181894(k)+1 = A181894(k+1).at n=34A333802