Non-oblong numbers that are repdigits with length > 2 in exactly three bases.

Terms

a(0) =32767a(1) =65535a(2) =67053a(3) =2097151a(4) =4381419a(5) =7174453a(6) =9808617a(7) =13938267a(8) =14348906a(9) =19617234a(10) =21523360a(11) =29425851a(12) =39234468a(13) =43046720a(14) =48686547a(15) =49043085a(16) =58851702a(17) =68660319a(18) =71270178a(19) =78468936a(20) =88277553a(21) =98086170a(22) =107894787a(23) =115174101a(24) =117703404a(25) =134217727a(26) =142540356