69482992431domain: NAppears in sequencesNumber of (n+2)X3 0..4 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.at n=7A186088Number of (n+2)X10 0..4 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.at n=0A186095