A345673 Number of GP-posets (gluing-parallel posets) with n points.

1, 1, 2, 5, 16, 63, 313, 1903, 13943, 120442, 1206459

Offset

0,3

Comments

Different from A079566.

Links

Table of n, a(n) for n=0..10.

Uli Fahrenberg, Christian Johansen, Georg Struth, and Ratan Bahadur Thapa, Generating Posets Beyond N, arXiv:1910.06162 [cs.FL], 2019.

Uli Fahrenberg, Christian Johansen, Georg Struth, and Krzysztof Ziemiański, Posets with Interfaces for Concurrent Kleene Algebra, arxiv:2106.10895 [cs.FL], 2021.

Crossrefs

Cf. A079566.

Sequence in context: A136127 A111004 A344640 * A079566 A059685 A000112

Adjacent sequences: A345670 A345671 A345672 * A345674 A345675 A345676

Keyword

nonn,more

Author

Uli Fahrenberg, Jun 22 2021

Status

approved