656880
domain: N
Appears in sequences
- Number of Lyndon words (aperiodic necklaces) with 4n beads of 4 colors, n beads of each color. One color labeled, the other 3 unlabeled.at n=3A029809
- Numbers that can be expressed as the difference of the squares of primes in exactly twelve distinct ways.at n=15A092008
- Numbers with prime factorization pqrstu^4.at n=13A190388