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 A011770 #11 Jun 26 2013 10:11:54 %S A011770 36525,36525,36525,36525,36525,36525,36525,36525,36525,36525,36525, %T A011770 36525,36525,36525,36525,36525,36525,36513,36524,36525,36524,36524, %U A011770 36524,36525,36524,36524,36524,36525,36524,36524,36524,36525,36524 %N A011770 Days per century for British calendar from first century, following Gregorian calendar after A.D. 1752. %H A011770 Wikipedia, <a href="http://en.wikipedia.org/wiki/Gregorian_calendar#Adoption_in_Europe">Gregorian calendar</a> %H A011770 <a href="/index/Ca#calendar">Index entries for sequences related to calendars</a> %Y A011770 Compare with A011771. %K A011770 nonn %O A011770 1,1 %A A011770 jclerm(AT)aztec.asu.edu (DR. JUAN-CARLOS LERMAN)