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Numbers whose base-5 representation contains exactly three 1's and one 3.
0

%I #12 May 19 2023 19:58:17

%S 158,166,206,406,658,666,706,758,766,778,788,790,792,794,798,808,816,

%T 826,830,832,834,836,846,858,866,908,916,956,1006,1026,1030,1032,1034,

%U 1036,1046,1056,1106,1158,1166,1206,1408,1416

%N Numbers whose base-5 representation contains exactly three 1's and one 3.

%Y Cf. A007091.

%K nonn,base

%O 1,1

%A _Clark Kimberling_