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 A002795 M1545 N0603 #21 Oct 13 2024 01:27:18 %S A002795 1,2,5,27,923,909182,1046593950039,1168971346319460027570137, %T A002795 1730152138254248421873938035305987364739567671241 %N A002795 Denominators of convergents to Lehmer's constant. %D A002795 D. H. Lehmer, A cotangent analogue of continued fractions, Duke Math. J., 4 (1935), 323-340. %D A002795 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002795 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A002795 J. W. Wrench, Jr., personal communication. %H A002795 D. H. Lehmer, <a href="/A002065/a002065_1.pdf">A cotangent analogue of continued fractions</a>, Duke Math. J., 4 (1935), 323-340. [Annotated scanned copy] %H A002795 J. W. Wrench, Jr., <a href="/A002065/a002065_2.pdf">Letters to N. J. A. Sloane, Feb 1974</a>. %Y A002795 Cf. A002794, A002665, A030125, A002065. %K A002795 nonn,frac %O A002795 0,2 %A A002795 _N. J. A. Sloane_