Like 4-white numbers but with blocks of 4 starting at left.

A277397

Like 4-white numbers but with blocks of 4 starting at left.

Terms

    a(0) =0a(1) =1a(2) =1000a(3) =11110a(4) =14638a(5) =15628a(6) =17170a(7) =18217a(8) =19305a(9) =19999a(10) =21649a(11) =22320a(12) =25234a(13) =29041a(14) =30195a(15) =31428

External references