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 columns, 0..2 nXk array.
A219299
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 columns, 0..2 nXk array.
Terms
- a(0) =3a(1) =3a(2) =3a(3) =6a(4) =7a(5) =6a(6) =10a(7) =17a(8) =17a(9) =10a(10) =15a(11) =35a(12) =77a(13) =35a(14) =15a(15) =21a(16) =62a(17) =261a(18) =261a(19) =62a(20) =21a(21) =28a(22) =103a(23) =800a(24) =1540a(25) =800a(26) =103a(27) =28a(28) =36a(29) =165
External references
- oeis: A219299