67863domain: NAppears in sequencesNumbers whose set of base-12 digits is {3,4}.at n=30A032836a(n) in base 12 is a repdigit.at n=47A048336Numbers k such that 10^k - 11 is prime.at n=23A092767a(n) = [x^(2n)y^n] Product_{i>=1} 1/((1-x^(2i-1)y^i)(1-x^(2i-1)y^(i-1))(1-x^(2i)y^i)^2).at n=14A316587