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 A000381 M0574 N0208 #34 Aug 06 2023 01:12:01 %S A000381 2,3,4,6,9,14,22,35,56,90,145,234,378,611,988,1598,2585,4182,6766 %N A000381 Essentially the same as A001611. %D A000381 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A000381 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A000381 R. K. Guy and N. J. A. Sloane, <a href="/A005180/a005180.pdf">Correspondence</a>, 1988. %H A000381 Simon Plouffe, <a href="https://arxiv.org/abs/0911.4975">Approximations de séries génératrices et quelques conjectures</a>, Dissertation, Université du Québec à Montréal, 1992; arXiv:0911.4975 [math.NT], 2009. %H A000381 Simon Plouffe, <a href="/A000051/a000051_2.pdf">1031 Generating Functions</a>, Appendix to Thesis, Montreal, 1992 %p A000381 A000381:=-(-2+z+2*z**2)/(z-1)/(z**2+z-1); # [_Simon Plouffe_ in his 1992 dissertation.] %Y A000381 Cf. A001611. %K A000381 dead %O A000381 0,1 %A A000381 _N. J. A. Sloane_, Apr 17 2015