Triangle T(n,k) read by rows, where T(n,k) = number of times the permanent of a real singular n X n (0,1)-matrix takes the value k, for n >= 2, 0 <= k <= n!.
A089481
Triangle T(n,k) read by rows, where T(n,k) = number of times the permanent of a real singular n X n (0,1)-matrix takes the value k, for n >= 2, 0 <= k <= n!.
Terms
- a(0) =9a(1) =0a(2) =1a(3) =265a(4) =0a(5) =63a(6) =0a(7) =9a(8) =0a(9) =1a(10) =27713a(11) =0a(12) =9360a(13) =0a(14) =3582a(15) =0a(16) =1248a(17) =0a(18) =648a(19) =0a(20) =288a(21) =0a(22) =48a(23) =0a(24) =72a(25) =0a(26) =0a(27) =0a(28) =16a(29) =0
External references
- oeis: A089481