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 A213613 #12 Jul 22 2025 23:03:11 %S A213613 3,1,5,5,6,9,5,2 %N A213613 Decimal expansion of the duration of the Gregorian year in SI seconds. %C A213613 This is an assigned metrological constant. Regarding these, see A003678 for general context notes, references and links. - Stanislav Sykora, Jun 16 2012. %F A213613 365.2425 * 24 * 60 * 60 %e A213613 Exactly 365.2425 (= 365 + 1/4 - 1/100 + 1/400) days or 3.1556952*10^7 seconds %Y A213613 Other assigned constants: A003678, A182999, A081799, A019694, A213610, A072915, A213611, A213612, A213614. %K A213613 nonn,cons,full,fini %O A213613 8,1 %A A213613 _Stanislav Sykora_, Jun 16 2012