169633649domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.at n=7A264425Prime numbersat n=9483822