This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A062848 #10 Mar 25 2025 16:08:45
%S A062848 0,1,5,10,65,125,130,250,325,350,462,650,798,910,923,924,966,1171,
%T A062848 1300,1596,1625,1848,1932,2353,2730,3192,3250,3864,4523,4550,5855,
%U A062848 8807,11710,11765,17290,20930,22905,23530,33250,35490,41762,83524
%N A062848 When expressed in base 2 and then interpreted in base 7, is a multiple of the original number.
%e A062848 10 in base 2 is 1010, which interpreted in base 7 is 350 = 35*10.
%t A062848 Join[{0},Select[Range[84000],Mod[FromDigits[IntegerDigits[#,2],7],#]==0&]] (* _Harvey P. Dale_, Mar 25 2025 *)
%K A062848 base,nonn
%O A062848 1,3
%A A062848 _Erich Friedman_, Jul 21 2001
%E A062848 Offset changed to 1 by _Georg Fischer_, Mar 03 2023