385153domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (n+2) X 9 binary arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.at n=24A190031Number of 2 X 2 matrices having all terms in {-n,...,0,..,n} and even nonnegative determinant.at n=15A211156Prime numbersat n=32696