T(n,k) is the number of (n+1) X (k+1) 0..2 arrays with rows and columns of permanents of all 2 X 2 subblocks lexicographically nondecreasing.

A205063

T(n,k) is the number of (n+1) X (k+1) 0..2 arrays with rows and columns of permanents of all 2 X 2 subblocks lexicographically nondecreasing.

Terms

    a(0) =81a(1) =491a(2) =491a(3) =2830a(4) =7572a(5) =2830a(6) =14206a(7) =111413a(8) =111413a(9) =14206a(10) =68508a(11) =1383154a(12) =4502701a(13) =1383154a(14) =68508a(15) =311076a(16) =16383311a(17) =151143466a(18) =151143466a(19) =16383311a(20) =311076a(21) =1375313a(22) =175923930a(23) =4798857522a(24) =14708332687a(25) =4798857522a(26) =175923930

External references