Triangle read by rows: T(n,k) = number of n X n binary matrices with k pairwise nonadjacent 1's, n >= 0, k = 0..n^2.
A232833
Triangle read by rows: T(n,k) = number of n X n binary matrices with k pairwise nonadjacent 1's, n >= 0, k = 0..n^2.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =2a(6) =0a(7) =0a(8) =1a(9) =9a(10) =24a(11) =22a(12) =6a(13) =1a(14) =0a(15) =0a(16) =0a(17) =0a(18) =1a(19) =16a(20) =96a(21) =276a(22) =405a(23) =304a(24) =114a(25) =20a(26) =2a(27) =0a(28) =0a(29) =0
External references
- oeis: A232833