4492809domain: NAppears in sequencesThe list of the k values in the common solutions to the 2 equations 7*k+1 = A^2, 11*k+1 = B^2.at n=4A161585Number of nX6 0..1 arrays with every element equal to 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=11A298928