174777domain: NAppears in sequencesNumber of products of distinct primes <= p(n) equal to 1 (mod p(n)).at n=24A024405Number of ways to partition 2*n into distinct positive integers not greater than n.at n=45A079122a(n) = n*(12*n^3 + 10*n^2 - 9*n - 7)/6.at n=17A172080