A361237 Number of nonequivalent noncrossing triangular cacti with n triangles up to rotation.

1, 1, 1, 5, 33, 230, 1827, 15466, 137085, 1260545, 11930690, 115607310, 1142333751, 11475243990, 116910923720, 1205717972880, 12567935262965, 132238934938755, 1403053736656275, 14997682223032473, 161392162120990570, 1747309339397241620, 19021521745371642498

Offset: 0

Author

Andrew Howroyd, Mar 05 2023

Keywords

• nonn

Links

• Andrew Howroyd, Table of n, a(n) for n = 0..500

Crossrefs

Column 3 of A361236.

Cf. A361240.