Numbers k such that A307437(k) is divisible by 3.

Terms

a(0) =1a(1) =27a(2) =702a(3) =1107a(4) =1431a(5) =2187a(6) =3375a(7) =3456a(8) =4266a(9) =5157a(10) =5805a(11) =6561a(12) =6831a(13) =7668a(14) =8073a(15) =11313a(16) =11961a(17) =12771a(18) =12825a(19) =13149a(20) =13176a(21) =13257a(22) =14526a(23) =14715a(24) =14796a(25) =15039a(26) =16011a(27) =16227a(28) =16497a(29) =17388