Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 2,2,1.

A037560

Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 2,2,1.

Terms

    a(0) =2a(1) =8a(2) =25a(3) =77a(4) =233a(5) =700a(6) =2102a(7) =6308a(8) =18925a(9) =56777a(10) =170333a(11) =511000a(12) =1533002a(13) =4599008a(14) =13797025a(15) =41391077a(16) =124173233a(17) =372519700a(18) =1117559102a(19) =3352677308a(20) =10058031925a(21) =30174095777a(22) =90522287333a(23) =271566862000a(24) =814700586002

External references