T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nXk array.
A219519
T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nXk array.
Terms
- a(0) =2a(1) =2a(2) =3a(3) =3a(4) =3a(5) =4a(6) =4a(7) =4a(8) =6a(9) =5a(10) =5a(11) =5a(12) =11a(13) =9a(14) =6a(15) =6a(16) =6a(17) =24a(18) =22a(19) =12a(20) =7a(21) =7a(22) =7a(23) =43a(24) =68a(25) =42a(26) =15a(27) =8a(28) =8a(29) =8
External references
- oeis: A219519