Table read by downward antidiagonals: T(n,k) is the number of n X n 0..k arrays with no row or column sum equal to the previous one.

A202651

Table read by downward antidiagonals: T(n,k) is the number of n X n 0..k arrays with no row or column sum equal to the previous one.

Terms

    a(0) =2a(1) =3a(2) =8a(3) =4a(4) =52a(5) =126a(6) =5a(7) =184a(8) =8460a(9) =10016a(10) =6a(11) =480a(12) =143028a(13) =14394092a(14) =3648810a(15) =7a(16) =1040a(17) =1217196a(18) =1960824272a(19) =231197740500a(20) =5616280768a(21) =8a(22) =1988a(23) =6835050a(24) =82673548892

External references