cp's OEIS Frontend

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.

A002359 Denominators of continued fraction convergents to cube root of 6.

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%I A002359 M3815 N1561 #36 Jul 05 2024 10:07:29
%S A002359 1,1,5,11,82,257,130638,130895,785113,4056460,4841573,8898033,
%T A002359 13739606,36377245,50116851,86494096,2125975155,2212469251,4338444406,
%U A002359 6550913657,23991185377,78524469788,2379725279017,9597425585856,98353981137577
%N A002359 Denominators of continued fraction convergents to cube root of 6.
%D A002359 D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 67.
%D A002359 P. Seeling, Verwandlung der irrationalen Groesse ... in einen Kettenbruch, Archiv. Math. Phys., 46 (1866), 80-120.
%D A002359 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
%D A002359 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H A002359 Vincenzo Librandi, <a href="/A002359/b002359.txt">Table of n, a(n) for n = 0..999</a>
%t A002359 Denominator[Convergents[Power[6, (3)^-1],30]] (* _Harvey P. Dale_, Nov 26 2011 *)
%o A002359 (PARI) a(n) = contfracpnqn(contfrac(6^(1/3), n))[2, 1]; \\ _Michel Marcus_, Aug 23 2013
%Y A002359 Cf. A002360 (numerators), A002949, A005486.
%K A002359 nonn,easy,frac
%O A002359 0,3
%A A002359 _N. J. A. Sloane_
%E A002359 More terms from _Herman P. Robinson_
%E A002359 More terms from Pab Ter (pabrlos(AT)yahoo.com), May 08 2004
%E A002359 Definition clarified by _Harvey P. Dale_, Nov 26 2011
%E A002359 Offset changed by _Andrew Howroyd_, Jul 05 2024