Array read by antidiagonals: T(m,n) (m >= 0, n >= 0) = number of max-and-min-closed constraints between an m-element set and an n-element set.

A372068

Array read by antidiagonals: T(m,n) (m >= 0, n >= 0) = number of max-and-min-closed constraints between an m-element set and an n-element set.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =4a(8) =4a(9) =1a(10) =1a(11) =8a(12) =13a(13) =8a(14) =1a(15) =1a(16) =16a(17) =38a(18) =38a(19) =16a(20) =1a(21) =1a(22) =32a(23) =104a(24) =147a(25) =104a(26) =32a(27) =1a(28) =1a(29) =64

External references