Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 5 sites wide.
1, 1, 1, 1, 6, 7, 8, 9, 10, 16, 23, 31, 40, 50, 66, 89, 120, 160, 210, 276, 365, 485, 645
2 seqfan posts
Sat Feb 14 02:39:45 CET 2009 [seqfan] Re: Constants derived from Artin's constants