1419697domain: NPropertiesPrimalityPrimeyesAppears in sequencesFibonacci sequence beginning 1, 30.at n=24A022400Primes p such that (p-a)*(p+a)-+a*p and (p-b)*(p+b)-+b*p are primes, a=2,b=3.at n=23A155010Prime numbersat n=108467