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 A003786 #28 Jul 26 2023 10:23:53 %S A003786 1,8,15,22,29,5,12,19,26,4,11,18,25,1,8,15,22,29,6,13,20,27,3,10,17, %T A003786 24,1,8,15,22,29,5,12,19,26,2,9,16,23,30,7,14,21,28,4,11,18,25,2,9,16, %U A003786 23,30 %N A003786 Day-of-month at weekly intervals from Jan 01 of a leap year (a finite sequence with 53 terms). %H A003786 <a href="/index/Ca#calendar">Index entries for sequences related to calendars</a> %Y A003786 Cf. A008686 (the corresponding sequence for a non-leap year). %K A003786 nonn,fini,full %O A003786 1,2 %A A003786 _N. J. A. Sloane_, _Olivier Gérard_ %E A003786 Entry revised by _N. J. A. Sloane_, Jul 26 2023