Number of 6-block tricoverings of an n-set.

A060484

Number of 6-block tricoverings of an n-set.

Terms

    a(0) =1a(1) =95a(2) =3107a(3) =75835a(4) =1653771a(5) =34384875a(6) =700030507a(7) =14116715435a(8) =283432939691

External references