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 A304735 #9 May 18 2018 19:45:02
%S A304735 0,1,2,3,2,4,4,3,5,4,6,5,9,8,10,5,4,6,17,16,18,6,7,8,12,10,33,32,34,6,
%T A304735 5,65,64,66,11,129,128,130,8,7,18,257,256,258,6,9,34,7,11,16,12,8,20,
%U A304735 36,13,513,512,514,19,1025,1024,1026,7,6,66,2049,2048,2050,10,35,130,8,4097,4096,4098,8,12,24,19,8193,8192,8194,9,68,132,10
%N A304735 a(n) = A048675(A064413(n)).
%H A304735 Antti Karttunen, <a href="/A304735/b304735.txt">Table of n, a(n) for n = 1..1024</a>
%H A304735 <a href="/index/Ed#EKG">Index entries for sequences related to EKG sequence</a>
%F A304735 a(n) = A048675(A064413(n)).
%o A304735 (PARI)
%o A304735 A048675(n) = { my(f = factor(n)); sum(k=1, #f~, f[k, 2]*2^primepi(f[k, 1]))/2; };
%o A304735 A304735(n) = A048675(A064413(n)); \\ Needs also code for A064413.
%Y A304735 Cf. A048675, A064301, A064413, A304736.
%K A304735 nonn
%O A304735 1,3
%A A304735 _Antti Karttunen_, May 18 2018