Positive integers, written in base 4, with the property that if the base-4 representation is reversed the result is three times the original number.

A223079

Positive integers, written in base 4, with the property that if the base-4 representation is reversed the result is three times the original number.

Terms

    a(0) =1023a(1) =10323a(2) =103323a(3) =1033323a(4) =10231023a(5) =10333323a(6) =102301023a(7) =103333323a(8) =1023001023a(9) =1032310323a(10) =1033333323a(11) =10230001023a(12) =10323010323a(13) =10333333323a(14) =102300001023a(15) =102310231023a(16) =103230010323a(17) =103323103323a(18) =103333333323

External references