Triangle T(n,k) of number of minimal 3-covers of a labeled n-set that cover k points of that set uniquely (k=3,..,n).

A057964

Triangle T(n,k) of number of minimal 3-covers of a labeled n-set that cover k points of that set uniquely (k=3,..,n).

Terms

    a(0) =1a(1) =16a(2) =6a(3) =160a(4) =120a(5) =25a(6) =1280a(7) =1440a(8) =600a(9) =90a(10) =8960a(11) =13440a(12) =8400a(13) =2520a(14) =301a(15) =57344a(16) =107520a(17) =89600a(18) =40320a(19) =9632a(20) =966a(21) =344064a(22) =774144a(23) =806400a(24) =483840a(25) =173376a(26) =34776a(27) =3025a(28) =1966080a(29) =5160960

External references