19192412328domain: NAppears in sequencesNumber of (n+2)X5 0..2 arrays with 3X3 subblock sums nondecreasing rightwards and downwards.at n=2A186624T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with 3X3 subblock sums nondecreasing rightwards and downwards.at n=12A186625