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 A277714 #5 Oct 30 2016 13:47:24 %S A277714 1,13,25,49,69,97,137,193,273,309,385,545,617,769,829,861,973,1089, %T A277714 1233,1301,1537,1657,1721,1945,2177,2465,2601,3073,3313,3441,3613, %U A277714 3889,4353,4929,5201,5333,5965,6145,6625,6765,6881,7225,7777,8705,9857,10401,10665,11109,11461,11929,12289,13249,13529,13761,14449,14749,15553,17197 %N A277714 a(n) = A277713(n)/3. %H A277714 Antti Karttunen, <a href="/A277714/b277714.txt">Table of n, a(n) for n = 1..555</a> %F A277714 a(n) = A277713(n)/3. %o A277714 (Scheme) (define (A277714 n) (/ (A277713 n) 3)) %Y A277714 Cf. A277713. %K A277714 nonn %O A277714 1,2 %A A277714 _Antti Karttunen_, Oct 29 2016