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When expressed in base 2 and then interpreted in base 7, is a multiple of the original number.
14

%I #8 Mar 03 2023 13:12:02

%S 0,1,5,10,65,125,130,250,325,350,462,650,798,910,923,924,966,1171,

%T 1300,1596,1625,1848,1932,2353,2730,3192,3250,3864,4523,4550,5855,

%U 8807,11710,11765,17290,20930,22905,23530,33250,35490,41762,83524

%N When expressed in base 2 and then interpreted in base 7, is a multiple of the original number.

%e 10 in base 2 is 1010, which interpreted in base 7 is 350 = 35*10.

%K base,nonn

%O 1,3

%A _Erich Friedman_, Jul 21 2001

%E Offset changed to 1 by _Georg Fischer_, Mar 03 2023