68722
domain: N
Appears in sequences
- Number of n-bead necklaces labeled with numbers -7..7 not allowing reversal, with sum zero with no three beads in a row equal.at n=5A208944
- Number of 6-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero with no three beads in a row equal.at n=6A208948
- Number of binary strings of length n avoiding "squares" (that is, repeated blocks of the form xx) with |x| > 3.at n=17A230177
- Numbers k such that (8*10^k + 49)/3 is prime.at n=35A270890