205157domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p = p(k) such that p(k) + p(k+9) = p(k+1) + p(k+8) = p(k+2) + p(k+7) = p(k+3) + p(k+6) = p(k+4) + p(k+5).at n=8A064103Fibonacci sequence with a(1) = 7 and a(2) = 26.at n=20A098127Prime numbersat n=18396