36655domain: NAppears in sequencesNumbers k such that phi(k + 8) | sigma(k) + 8.at n=10A015873Integer part of (4th elementary symmetric function of 3,4,...,n+5)/(3+4+...+n+5).at n=9A024192The (2^n)-th composite number.at n=15A065856a(n) = a(n-1) + a(n-2) - n*a(floor(n/2)), where a(0) = 1, a(1) = 1, a(2) = 1.at n=21A298400