148665domain: NAppears in sequencesIntegers whose sum of divisors is a 7th power.at n=15A048257a(n) = (2*n+1)*(2*n+3)*(2*n+5).at n=25A061550a(n) = (5*n+1)*(5*n+3)*(5*n+5).at n=10A079610a(n) = (4*n+3)*(4*n+5)*(4*n+7).at n=12A133767Product of 3 consecutive odd numbers n such that n+-2 are primes.at n=4A174385