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 A275807 #12 Jun 24 2017 09:14:07 %S A275807 1,2,9,4,6,4,75,50,27,8,12,8,45,20,27,8,18,8,30,20,18,8,12,8,735,490, %T A275807 441,196,294,196,375,250,81,16,24,16,135,40,81,16,54,16,60,40,36,16, %U A275807 24,16,525,350,189,56,84,56,375,250,81,16,24,16,225,100,81,16,36,16,150,100,54,16,24,16,315,140,189,56,126,56,225,100,81,16,36,16 %N A275807 a(n) = A275725(n)/2. %H A275807 Antti Karttunen, <a href="/A275807/b275807.txt">Table of n, a(n) for n = 0..5039</a> %H A275807 Indranil Ghosh, <a href="/A275807/a275807.txt">Python program for computing this sequence</a> %H A275807 <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a> %F A275807 a(n) = A275725(n)/2. %o A275807 (Scheme) (define (A275807 n) (/ (A275725 n) 2)) %Y A275807 Cf. A275725, A275726, A275832. %Y A275807 Cf. A153880 (positions of odd terms), A273670 (positions of even terms). %K A275807 nonn %O A275807 0,2 %A A275807 _Antti Karttunen_, Aug 11 2016