66010

Appears in sequences

• Sum of the principal diagonals of a 2n X 2n square spiral.at n=23A137931
• Number of binary Lyndon words of length n having a conjugate at Hamming distance 2.at n=33A226893
• Numbers k such that the sum of the proper divisors of k that have the same binary weight as k is larger than k, and no subset of these divisors sums to k.at n=37A381071