A199136 Number of irreducible assembly words with n rigid vertices.

1, 2, 8, 47, 389, 4226, 54888

Offset

1,2

Comments

See Burns et al. references for precise definition.

Links

Table of n, a(n) for n=1..7.

Jonathan Burns, Assembly Graph Words - Single Transverse Component (Counts).

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: A259905 A329096 A233337 * A181413 A358822 A003275

Adjacent sequences: A199133 A199134 A199135 * A199137 A199138 A199139

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 03 2011

Status

approved