T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards.

A233801

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards.

Terms

    a(0) =169840a(1) =7949773a(2) =7959956a(3) =371832256a(4) =1231134446a(5) =365649436a(6) =17394286865a(7) =192011782168a(8) =184701585960a(9) =16782644101a(10) =812933550972a(14) =768927679996

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