Irregular triangle read by rows: T(n,k) (n >= 1, 0 <= k <= n^2) = number of n X n (0,1) real matrices with k zeros and permanent zero.
A260043
Irregular triangle read by rows: T(n,k) (n >= 1, 0 <= k <= n^2) = number of n X n (0,1) real matrices with k zeros and permanent zero.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =0a(4) =4a(5) =4a(6) =1a(7) =0a(8) =0a(9) =0a(10) =6a(11) =45a(12) =90a(13) =78a(14) =36a(15) =9a(16) =1a(17) =0a(18) =0a(19) =0a(20) =0a(21) =8a(22) =96a(23) =576a(24) =2128a(25) =4860a(26) =676a(27) =6496a(28) =4080a(29) =1796
External references
- oeis: A260043