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A199138
Number of prime assembly words with n rigid vertices.
0
1, 1, 3, 17, 135, 1463, 19306
OFFSET
1,3
COMMENTS
See Burns et al. links for precise definition.
LINKS
Jonathan Burns, Egor Dolzhenko, Natasa Jonoska, Tilahun Muche, and Masahico Saito, Four-Regular Graphs with Rigid Vertices Associated to DNA Recombination, Discrete Applied Mathematics, Volume 161, Issues 10-11, July 2013, Pages 1378-1394.
CROSSREFS
Sequence in context: A362748 A055214 A105630 * A006290 A060003 A350736
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 03 2011
STATUS
approved