T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nXk array.
A220204
T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal 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) =10a(5) =10a(6) =20a(7) =36a(8) =38a(9) =20a(10) =35a(11) =89a(12) =238a(13) =103a(14) =35a(15) =56a(16) =182a(17) =956a(18) =1013a(19) =245a(20) =56a(21) =84a(22) =333a(23) =3294a(24) =6855a(25) =3916a(26) =547a(27) =84a(28) =120a(29) =567
External references
- oeis: A220204