OFFSET
2,1
REFERENCES
J. Brzozowski, M. Szykuła. Large Aperiodic Semigroups. In Implementation and Application of Automata, volume 8587 of LNCS, pages 124-135, 2014
LINKS
Marek Szykuła, Table of n, a(n) for n = 2..1000
J. Brzozowski, M. Szykuła, Large Aperiodic Semigroups, arXiv preprint arXiv:1401.0157, 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 31 2014
EXTENSIONS
More terms, corrected and extended by Marek Szykula, Nov 03 2014
STATUS
approved