9449472domain: NAppears in sequencesNumber of (n+1)X5 0..2 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases.at n=21A207046Number of (n+1)X8 0..2 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases.at n=18A207049