T(n,k) = Number of n X k arrays containing k copies of 0..n-1 with row sums and column sums nondecreasing.
A267990
T(n,k) = Number of n X k arrays containing k copies of 0..n-1 with row sums and column sums nondecreasing.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =5a(8) =21a(9) =1a(10) =1a(11) =15a(12) =145a(13) =189a(14) =1a(15) =1a(16) =21a(17) =1122a(18) =7477a(19) =1941a(20) =1a(21) =1a(22) =57a(23) =7886a(24) =425488a(25) =760736a(26) =28032a(27) =1a(28) =1a(29) =85
External references
- oeis: A267990