125865domain: NAppears in sequencesDigitally balanced numbers in base 7: equal numbers of 0's, 1's, ..., 6's.at n=28A049358G.f.: A(q) = exp( Sum_{n>=1} sigma(n) * 3*A038500(n) * q^n/n ), where A038500(n) = highest power of 3 dividing n.at n=14A163129A trisection of A163129.at n=4A163132