login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A093992
Number of n-celled polyzebras without bilateral symmetry.
4
0, 1, 2, 33, 260, 2690, 27244, 290795, 3163283, 35166019, 397017205, 4541634029, 52510663807
OFFSET
1,3
COMMENTS
A polyzebra is a (2,3) leaper. A polyzebra need not be connected in the usual edge-connected sense.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Joseph Myers, May 25 2004
EXTENSIONS
a(12)-a(13) from John Mason, Jan 13 2023
STATUS
approved