Triangle T(n,m) of numbers of m-block T_0-covers of a labeled n-set, m = 0..2^n - 1.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =0a(5) =3a(6) =1a(7) =0a(8) =0a(9) =3a(10) =29a(11) =35a(12) =21a(13) =7a(14) =1a(15) =0a(16) =0a(17) =0a(18) =140a(19) =1015a(20) =2793a(21) =4935a(22) =6425a(23) =6435a(24) =5005a(25) =3003a(26) =1365a(27) =455a(28) =105a(29) =15