Number of nonequivalent noncrossing triangular cacti with n triangles up to rotation and reflection.
A361240
Number of nonequivalent noncrossing triangular cacti with n triangles up to rotation and reflection.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =19a(5) =124a(6) =931a(7) =7801a(8) =68685a(9) =630850a(10) =5966610a(11) =57808920a(12) =571178751a(13) =5737672339a(14) =58455577800a(15) =602859484608
External references
- oeis: A361240