24296domain: NAppears in sequencesNumber of symmetry sites in all planted 3-trees with n nodes.at n=16A007136(A192533)/2.at n=39A192534Number of groups of order prime(n)^6.at n=22A232106a(n) = 3*p^2+39*p+344+24*gcd(p-1,3)+11*gcd(p-1,4)+2*gcd(p-1,5), where p = prime(n).at n=22A269749