43917129
domain: N
Appears in sequences
- Number of (n+1)X2 0..3 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=6A204303
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=21A204309
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise.at n=21A235261
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise.at n=21A235416