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 A162241 #9 Jun 02 2025 01:46:11
%S A162241 2004,2009,2015,2026,2032,2037,2043,2054,2060,2065,2071,2082,2088,
%T A162241 2093,2099,2105,2111,2122,2128,2133,2139,2150,2156,2161,2167,2178,
%U A162241 2184,2189,2195,2201,2207,2218,2224,2229,2235,2246,2252,2257,2263,2274,2280,2285
%N A162241 Years in which January first falls on a Thursday (since 2001).
%t A162241 Select[DateRange[{2001,1,1},{2300,1,1},"Year"],DayName[#]==Thursday&][[All,1]] (* _Harvey P. Dale_, Dec 09 2021 *)
%Y A162241 A116369
%K A162241 nonn
%O A162241 1,1
%A A162241 _Claudio Meller_, Jun 28 2009