Primes which can be expressed as sum of distinct powers of 6.

Terms

a(0) =7a(1) =37a(2) =43a(3) =223a(4) =1297a(5) =1303a(6) =1549a(7) =7993a(8) =9109a(9) =46663a(10) =54469a(11) =55987a(12) =281233a(13) =326593a(14) =327889a(15) =335917a(16) =1679653a(17) =1679659a(18) =1679833a(19) =1680919a(20) =1681129a(21) =1687393a(22) =1726273a(23) =1726489a(24) =1727569a(25) =1727827a(26) =1734049a(27) =1960891a(28) =1961107a(29) =1967587