Number of connected 3-element antichains on a labeled n-set.

A094034

Number of connected 3-element antichains on a labeled n-set.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =38a(5) =645a(6) =7510a(7) =71981a(8) =617358a(9) =4947685a(10) =37972070a(11) =283229661a(12) =2072354878a(13) =14964711125a(14) =107078983830a(15) =761312910541

External references