1,2
Table of n, a(n) for n=1..4.
Index entries for sequences related to groupoids
Sequence in context: A278844 A036107 A201390 * A301576 A160088 A094546
Adjacent sequences: A030268 A030269 A030270 * A030272 A030273 A030274
nonn,more
Christian G. Bower
approved