33663domain: NAppears in sequencesNumbers whose set of base-11 digits is {2,3}.at n=43A032811Positions of 4-digit terms in the continued fraction for Pi (3 is at position 0).at n=29A048959Numbers k such that the k-th triangular number contains only digits {1,5,6}.at n=32A119133Numbers n with digits 3 and 6 only.at n=36A284633