358597domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that 24*p-1, 24*p+1 and 30*p-1, 30*p+1 are twin primes.at n=24A138695a(n) is the number of integers that can be represented in a 7-segment display by using only n segments (version A277116).at n=25A350440Prime numbersat n=30648