157927508610domain: NAppears in sequencesNumber of (n+2)X4 0..4 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.at n=5A186089Number of (n+2)X8 0..4 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.at n=1A186093