282748327domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (n+1)X(n+1) 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=4A204868Number of (n+1)X6 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=4A204873Prime numbersat n=15367424