T(n,k)=Half the number of (n+1)X(k+1) binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks.

A184467

T(n,k)=Half the number of (n+1)X(k+1) binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks.

Terms

    a(0) =3a(1) =7a(2) =7a(3) =26a(4) =35a(5) =26a(6) =91a(7) =244a(8) =244a(9) =91a(10) =334a(11) =1693a(12) =3090a(13) =1693a(14) =334a(15) =1212a(16) =12324a(17) =42874a(18) =42874a(19) =12324a(20) =1212a(21) =4496a(22) =89908a(23) =616534a(24) =1181303a(25) =616534a(26) =89908a(27) =4496a(28) =16809a(29) =667600

External references