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 A006258 M0686 #20 Jul 08 2025 16:44:29 %S A006258 1,2,3,5,8,11,19,30,49,68,87,106,193,299,492,685,878,1071,1264,1457, %T A006258 2721,4178,6899,9620,12341,15062,17783,20504,23225,25946,49171,75117, %U A006258 124288,173459,222630,271801,320972,370143,419314,468485,517656,566827,1084483,1651310,2735793 %N A006258 Numerators of approximations to e. %D A006258 R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 122. %D A006258 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %e A006258 A006258/A006259 = 1, 2, 3, 5/2, 8/3, 11/4, 19/7, 30/11, 49/18, 68/25, 87/32, 106/39, 193/71, 299/110, 492/181, ... . %Y A006258 Cf. A006259 (denominators). For another version see A119014. %Y A006258 Cf. A001113. %K A006258 nonn,easy %O A006258 1,2 %A A006258 _N. J. A. Sloane_ %E A006258 More terms from Matthew White (white_dawg_70(AT)hotmail.com), May 05 2003