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 A002354 M2830 N1140 #29 Jul 04 2024 20:40:59 %S A002354 1,3,10,13,62,75,437,512,949,6206,13361,73011,597449,1865358,6193523, %T A002354 26639450,59472423,383473988,1593368375,6756947488,8350315863, %U A002354 31807895077,71966106017,247706213128,1062790958529,1310497171657,6304779645157,58053513978070 %N A002354 Numerators of convergents to cube root of 3. %D A002354 D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 67. %D A002354 P. Seeling, Verwandlung der irrationalen Groesse ... in einen Kettenbruch, Archiv. Math. Phys., 46 (1866), 80-120. %D A002354 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002354 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002354 Vincenzo Librandi, <a href="/A002354/b002354.txt">Table of n, a(n) for n = 0..999</a> %t A002354 Numerator[Convergents[3^(1/3), 30]] (* _Vincenzo Librandi_, Sep 09 2013 *) %o A002354 (PARI) a(n)= contfracpnqn(contfrac(3^(1/3), n))[1, 1]; \\ _Michel Marcus_, Sep 08 2013 %Y A002354 Cf. A002353 (denominators), A002581. %K A002354 nonn,frac %O A002354 0,2 %A A002354 _N. J. A. Sloane_ %E A002354 More terms from _Herman P. Robinson_ %E A002354 More terms from _Michel Marcus_, Sep 08 2013 %E A002354 Offset changed by _Andrew Howroyd_, Jul 04 2024