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%I #9 Aug 22 2021 14:54:51
%S 7,63,455,463,471,479,487,495,503,511,3591,3663,3735,3807,3879,3951,
%T 4023,4095,28679,28743,28807,28871,28935,28999,29063,29127,29199,
%U 29263,29327,29391,29455,29519,29583,29647,29719,29783
%N Base-8 palindromes that start with 7.
%Y Cf. A007094.
%K nonn,base
%O 1,1
%A _Clark Kimberling_