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 nonincreasing columns, 0..2 nXk array.
A219595
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 nonincreasing columns, 0..2 nXk array.
Terms
- a(0) =3a(1) =3a(2) =3a(3) =6a(4) =7a(5) =6a(6) =10a(7) =18a(8) =21a(9) =10a(10) =15a(11) =34a(12) =84a(13) =46a(14) =15a(15) =21a(16) =55a(17) =233a(18) =264a(19) =87a(20) =21a(21) =28a(22) =81a(23) =550a(24) =1114a(25) =705a(26) =151a(27) =28a(28) =36a(29) =112
External references
- oeis: A219595