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 A274701 #27 Nov 27 2016 21:15:09 %S A274701 1,2,1,2,2,2,3,2,3,2,3,3,3,3,3,4,3,4,3,4,3,4,4,4,4,4,4,4,5,4,5,4,5,4, %T A274701 5,4,5,5,5,5,5,5,5,5,5,6,5,6,5,6,5,6,5,6,5,6,6,6,6,6,6,6,6,6,6,6,7,6, %U A274701 7,6,7,6,7,6,7,6,7,6,7,7,7,7,7,7,7,7,7,7,7,7,7,8,7,8,7,8,7,8,7,8,7,8,7,8 %N A274701 First differences of A259280. %H A274701 Peter Kagey, <a href="/A274701/b274701.txt">Table of n, a(n) for n = 1..10000</a> %F A274701 If n is in A185869 then a(n) = ceiling(k) else a(n) = floor(k) where k is (A002024(n) + 1)/2. %Y A274701 Cf. A259280, A185869, A002024. %K A274701 nonn %O A274701 1,2 %A A274701 _Braxton Carrigan_, _Peter Kagey_, Joseph O'Brien, Jul 06 2016