T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nXk array.
A220010
T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical 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) =7a(5) =10a(6) =20a(7) =19a(8) =20a(9) =20a(10) =35a(11) =43a(12) =109a(13) =58a(14) =35a(15) =56a(16) =85a(17) =479a(18) =560a(19) =141a(20) =56a(21) =84a(22) =154a(23) =1735a(24) =4474a(25) =2410a(26) =308a(27) =84a(28) =120a(29) =263
External references
- oeis: A220010