T(n,k) = Number of (n+1)X(k+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors.

A205894

T(n,k) = Number of (n+1)X(k+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors.

Terms

    a(0) =81a(1) =554a(2) =476a(3) =4020a(4) =6020a(5) =2766a(6) =28522a(7) =79644a(8) =61588a(9) =15728a(10) =203346a(11) =1042382a(12) =1476942a(13) =611694a(14) =89630a(15) =1448300a(16) =13544456a(17) =34564494a(18) =26010268a(19) =6120848a(20) =511044a(21) =10317234a(22) =176994692a(23) =804426380a(24) =1076391970a(25) =464115072a(26) =61390466a(27) =2913944

External references