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 A011554 #19 Feb 17 2023 15:29:55 %S A011554 4,14,34,42,59,125,145,168,175,181,190,200,207 %N A011554 Stops with numerical values for A Train (8 Avenue express) in Manhattan, as of January 2023. %H A011554 Metropolitan Transportation Authority, <a href="https://new.mta.info/document/9466">Subway Timetable</a> %H A011554 Metropolitan Transportation Authority, <a href="https://new.mta.info/maps/subway-line-maps/a-line">A Train (8 Avenue express) Line Map</a> %H A011554 N. J. A. Sloane, <a href="https://arxiv.org/abs/2301.03149">"A Handbook of Integer Sequences" Fifty Years Later</a>, arXiv:2301.03149 [math.NT], 2023, p. 5. %Y A011554 Cf. A000053, A000054, A001049, A051419, A208360. %K A011554 nonn,fini,full %O A011554 1,1 %A A011554 Steve Cellum (steve(AT)boxhill.com), Dec 11 1996 %E A011554 Edited by _N. J. A. Sloane_, Jan 03 2023