119033domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form n^2+8.at n=27A138338Number of 2Xn 0..3 arrays with no more than floor(2Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=10A222680Prime numbersat n=11216