Numbers n such that number of runs in the base 3 representation of n is congruent to 1 mod 9.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =13a(5) =26a(6) =40a(7) =80a(8) =121a(9) =242a(10) =364a(11) =728a(12) =1093a(13) =2186a(14) =3280a(15) =6560a(16) =9841a(17) =19682a(18) =22143a(19) =22145a(20) =22146a(21) =22147a(22) =22159a(23) =22160a(24) =22161a(25) =22163a(26) =22170a(27) =22172a(28) =22173a(29) =22174