133133domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(253).at n=10A041474a(n) = 7*A000330(n).at n=38A169607List of imprimitive words over the alphabet {1,3}.at n=14A213973Non-primitive words on {1,2,3}.at n=28A239018Numbers whose sum of prime divisors equals the sum of square divisors.at n=34A390397