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 A284273 #6 Apr 10 2017 12:28:44 %S A284273 0,0,0,0,2,0,0,0,2,8,8,0,12,0,0,0,2,8,11,12,16,10,3,0,9,22,18,0,12,0, %T A284273 0,0,2,8,30,32,11,6,26,8,19,22,0,40,1,12,37,0,17,36,18,36,7,18,16,0, %U A284273 27,48,13,0,12,0,0,0,2,8,30,32,53,50,40,56,32,44,2,24,73,26,61,32,14,76,28,4,34,0,64,72,86,4,73,48,16,54,11,0,33 %N A284273 Main diagonal of A284270. %H A284273 Antti Karttunen, <a href="/A284273/b284273.txt">Table of n, a(n) for n = 1..8192</a> %H A284273 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a> %F A284273 a(n) = A277699(n) mod n = A048720(n, A065621(n)) mod n. %o A284273 (Scheme) %o A284273 (define (A284273 n) (A284270bi n n)) ;; A284270bi, see A284270. %o A284273 (define (A284273 n) (modulo (A277699 n) n)) %Y A284273 Cf. A048720, A065621, A277699, A284270. %K A284273 nonn,base %O A284273 1,5 %A A284273 _Antti Karttunen_, Apr 10 2017