857280domain: NAppears in sequencesa(n) = 3*n*(3*n-1)*(3*n-2).at n=32A054776a(n) = lcm(6n+2, 6n+4, 6n+6).at n=31A061506a(n) = p(n)/p(n-1), where p(n) = ( floor(n*log(n)) / Product_{j=2..pi(floor(n*log(n)))} prime(j) )!.at n=27A088301