675187domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of classes of compositions of n equivalent under reflection or cycling.at n=24A091696a(n) is the number of subsets of the divisors of k which sum to k+1 where k is a number all of whose prime divisors are consecutive primes starting at 2.at n=48A359753Prime numbersat n=54702