113089domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p for which p^i + 4 is prime for i = 1, 3 and 5.at n=14A243780Number of (2+1)X(n+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,1 0,-2 1,0 or -1,0.at n=10A264301Prime numbersat n=10713