10818885domain: NAppears in sequencesa(n) = denominator of T(n, 2) with T(n, m) = Sum_{k=0..n}( 1/(m*k+1) * Sum_{j=0..m*k} (-1)^j*C(k,j)*j^(m*n) ).at n=14A273197Products of exactly 7 distinct odd primes.at n=14A361075