12614174310domain: NAppears in sequencesNumber of (n+1)X4 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one.at n=6A206049Number of (n+1)X8 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one.at n=2A206053