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 A062846 #19 Mar 03 2023 05:41:27
%S A062846 0,1,2,4,7,8,14,16,21,28,31,32,42,56,62,64,73,84,112,124,127,128,146,
%T A062846 168,219,224,248,254,256,273,292,336,341,438,448,496,508,511,512,546,
%U A062846 584,672,682,876,896,992,1016,1022,1024,1057,1092,1168,1344,1364,1533
%N A062846 When expressed in base 2 and then interpreted in base 4, is a multiple of the original number.
%C A062846 From _Rémy Sigrist_, Mar 15 2017: (Start)
%C A062846 Also numbers n such that A000695(n) is a multiple of n.
%C A062846 If n belongs to this sequence, then 2*n also belongs to this sequence.
%C A062846 If 2*n belongs to this sequence, then n also belongs to this sequence.
%C A062846 (End)
%H A062846 Rémy Sigrist, <a href="/A062846/b062846.txt">Table of n, a(n) for n = 1..2001</a>
%e A062846 7 in base 2 is 111, which interpreted in base 4 is 21=3*7
%t A062846 Join[{0},Select[Range[1600],Divisible[FromDigits[IntegerDigits[#,2],4],#]&]] (* _Harvey P. Dale_, Nov 29 2015 *)
%Y A062846 Cf. A000695.
%K A062846 base,nonn
%O A062846 1,3
%A A062846 _Erich Friedman_, Jul 21 2001
%E A062846 Offset changed to 1 by _Georg Fischer_, Mar 03 2023