437837domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (n+1) X 4 binary arrays with rows and columns in nondecreasing order and with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=27A184065Numbers k such that k^2 + 1 divides 2^k + 8.at n=16A319245Prime numbersat n=36781