T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nXk array.
A219291
T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nXk array.
Terms
- a(0) =2a(1) =2a(2) =2a(3) =3a(4) =3a(5) =3a(6) =4a(7) =6a(8) =6a(9) =4a(10) =5a(11) =9a(12) =19a(13) =9a(14) =5a(15) =6a(16) =12a(17) =42a(18) =42a(19) =12a(20) =6a(21) =7a(22) =15a(23) =79a(24) =149a(25) =79a(26) =15a(27) =7a(28) =8a(29) =18
External references
- oeis: A219291