48465domain: NAppears in sequencesNumbers k such that 2k+1, 4k+1, 6k+1 and 8k+1 are primes.at n=26A124409Numbers k such that 2*k+1, 4*k+1, 8*k+1 and 16*k+1 are primes.at n=34A124412Number of partitions of n such that the number of parts having multiplicity 1 is a part and the number of distinct parts is a part.at n=50A241442