T(n,k) = Number of (n+1) X (k+1) 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.

A204723

T(n,k) = Number of (n+1) X (k+1) 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.

Terms

    a(0) =16a(1) =51a(2) =51a(3) =156a(4) =261a(5) =156a(6) =450a(7) =1271a(8) =1271a(9) =450a(10) =1267a(11) =5821a(12) =9657a(13) =5821a(14) =1267a(15) =3490a(16) =26128a(17) =67518a(18) =67518a(19) =26128a(20) =3490a(21) =9490a(22) =115060a(23) =457635a(24) =727255a(25) =457635a(26) =115060a(27) =9490a(28) =25545a(29) =502546

External references