66134172894domain: NAppears in sequencesNumber of (n+2)X4 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically.at n=6A204495Number of (n+2)X9 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically.at n=1A204500