Array read by antidiagonals: T(n,k) is the number of n X k matrices whose values cover an initial interval of positive integers and whose rows and columns have values which are strictly increasing.

A374985

Array read by antidiagonals: T(n,k) is the number of n X k matrices whose values cover an initial interval of positive integers and whose rows and columns have values which are strictly increasing.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =1a(11) =1a(12) =3a(13) =1a(14) =1a(15) =1a(16) =1a(17) =11a(18) =11a(19) =1a(20) =1a(21) =1a(22) =1a(23) =45a(24) =197a(25) =45a(26) =1a(27) =1a(28) =1a(29) =1

External references