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%I #7 Jul 08 2019 13:35:00
%S 6,34,760,17700,177770000,77777600000,1777777000000,
%T 177777777770000000000,17777777777777777777700000000000000000000,
%U 77777777777777777777777777777600000000000000000000000000000
%N Perfect numbers written in base 8.
%C All members end in 0, 1, 4, 5, or 6. Conjecturally, apart from the first two terms, all terms end in 0.
%H Harvey P. Dale, <a href="/A161323/b161323.txt">Table of n, a(n) for n = 1..15</a>
%t FromDigits[IntegerDigits[#,8]]&/@PerfectNumber[Range[10]] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Jul 08 2019 *)
%Y Cf. A000396, A135650, A160962.
%K nonn,base
%O 1,1
%A _Juri-Stepan Gerasimov_, Jun 07 2009
%E Edited by _Charles R Greathouse IV_, Mar 19 2010