Number of nonequivalent noncrossing 4-gonal cacti with n polygons up to rotation and reflection.
A361241
Number of nonequivalent noncrossing 4-gonal cacti with n polygons up to rotation and reflection.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =6a(4) =35a(5) =349a(6) =3766a(7) =45632a(8) =580203a(9) =7687128a(10) =104898024a(11) =1466605630a(12) =20916933674a(13) =303368072539
External references
- oeis: A361241