Triangle read by rows where T(n,k) is the number of nonempty subsets of {1,...,2n-1} with median n and minimum k.

A361654

Triangle read by rows where T(n,k) is the number of nonempty subsets of {1,...,2n-1} with median n and minimum k.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =5a(4) =3a(5) =1a(6) =15a(7) =9a(8) =4a(9) =1a(10) =50a(11) =29a(12) =14a(13) =5a(14) =1a(15) =176a(16) =99a(17) =49a(18) =20a(19) =6a(20) =1a(21) =638a(22) =351a(23) =175a(24) =76a(25) =27a(26) =7a(27) =1a(28) =2354a(29) =1275

External references