T(n,k)=Number of nXk 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.
A278363
T(n,k)=Number of nXk 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =4a(4) =6a(5) =4a(6) =10a(7) =27a(8) =27a(9) =10a(10) =20a(11) =96a(12) =142a(13) =96a(14) =20a(15) =35a(16) =281a(17) =701a(18) =701a(19) =281a(20) =35a(21) =56a(22) =708a(23) =3183a(24) =4872a(25) =3183a(26) =708a(27) =56a(28) =84a(29) =1590
External references
- oeis: A278363