T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nXk array.
A219802
T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal 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) =4a(3) =10a(4) =4a(5) =10a(6) =20a(7) =10a(8) =13a(9) =20a(10) =35a(11) =21a(12) =71a(13) =26a(14) =35a(15) =56a(16) =39a(17) =283a(18) =255a(19) =57a(20) =56a(21) =84a(22) =68a(23) =959a(24) =1605a(25) =958a(26) =116a(27) =84a(28) =120a(29) =114
External references
- oeis: A219802