T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nXk array.
A219471
T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nXk array.
Terms
- a(0) =4a(1) =4a(2) =10a(3) =10a(4) =23a(5) =20a(6) =20a(7) =68a(8) =82a(9) =35a(10) =35a(11) =211a(12) =673a(13) =239a(14) =56a(15) =56a(16) =547a(17) =4838a(18) =5040a(19) =619a(20) =84a(21) =84a(22) =1248a(23) =28159a(24) =87083a(25) =32229a(26) =1471a(27) =120a(28) =120a(29) =2663
External references
- oeis: A219471