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 A008745 #22 Jan 20 2021 14:54:05 %S A008745 1732,1735,1743,1751,1758,1767,1767,1782,1773,1790,1795,1784,1800, %T A008745 1804,1791,1809,1808,1822,1822,1831,1829,1837,1833,1837,1843,1858, %U A008745 1857,1856,1865,1872,1874,1882,1884,1890,1917,1908,1913,1913,1924,1911,1924,1946,1946,1961,1946,1942 %N A008745 Year of birth of n-th President of U.S.A. %C A008745 a(22) = a(24) = 1837 because Stephen Grover Cleveland is regarded as both the 22nd and 24th President. %H A008745 U.S. Government, <a href="http://www.whitehouse.gov/history/presidents/">Presidents</a> %Y A008745 Cf. A072550, A084989, A090232, A147653. %K A008745 nonn,fini %O A008745 1,1 %A A008745 _N. J. A. Sloane_ %E A008745 More terms from _Rick L. Shepherd_, Aug 04 2002 %E A008745 Corrected and extended by _N. J. A. Sloane_, Jan 14 2009 %E A008745 a(45) from _Jon E. Schoenfield_, Jan 20 2017 %E A008745 a(46) from _Jon E. Schoenfield_, Jan 20 2021