993538

Appears in sequences

• Number of (n+2)X(n+2) 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.at n=1A184565
• Number of (n+2)X4 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.at n=1A184567
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.at n=4A184574
• a(n) = binomial(5n+6, 4)/5 for n >= 0.at n=20A238471