T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nXk array.

A219714

T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nXk array.

Terms

    a(0) =4a(1) =4a(2) =10a(3) =10a(4) =13a(5) =20a(6) =20a(7) =45a(8) =44a(9) =35a(10) =35a(11) =125a(12) =297a(13) =129a(14) =56a(15) =56a(16) =283a(17) =1751a(18) =1860a(19) =338a(20) =84a(21) =84a(22) =561a(23) =7862a(24) =23506a(25) =9674a(26) =813a(27) =120a(28) =120a(29) =1030

External references