A286867 Number of idempotents in the twisted planar partition monoid PP_n^tau.

1, 1, 6, 44, 362, 3226, 30488, 301460, 3090020, 32618046, 345515557

Offset: 0

Author

James East, Oct 05 2017

Keywords

• nonn
• more

Comments

Values were computed using the Semigroups package for GAP.

Links

• Igor Dolinka, James East, Athanasios Evangelou, Desmond FitzGerald, Nicholas Ham, James Hyde, Nicholas Loughlin, Idempotent Statistics of the Motzkin and Jones Monoids, arXiv:1507.04838 [math.CO], 2015-2016.

Crossrefs

Cf. A225797, A289620.