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.

A071315 Number of terms in the continued fraction of frac((3/2)^n).

This page as a plain text file.
%I A071315 #16 Apr 21 2019 09:54:43
%S A071315 1,1,3,1,4,6,5,9,7,7,4,7,12,6,9,12,9,10,9,13,18,14,12,11,12,15,16,14,
%T A071315 10,16,23,20,28,22,17,22,23,25,30,27,25,28,30,23,30,27,25,19,17,17,22,
%U A071315 29,32,35,35,30,32,37,36,34,36,28,39,42,44,38,36,39,38,41,46,40,32,44
%N A071315 Number of terms in the continued fraction of frac((3/2)^n).
%C A071315 What is the rate of growth of this sequence?
%C A071315 Numerically, it seems to be linear with coefficient around 0.58. [_Charles R Greathouse IV_, Jul 29 2011]
%D A071315 S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 192-199.
%H A071315 Charles R Greathouse IV, <a href="/A071315/b071315.txt">Table of n, a(n) for n = 1..10000</a>
%H A071315 Steven R. Finch, <a href="/FinchPwrs32.html">Powers of 3/2 Modulo One</a> [From Steven Finch, Apr 20 2019]
%H A071315 Steven R. Finch, <a href="/FinchWaring.html">Non-Ideal Waring's Problem</a> [From Steven Finch, Apr 20 2019]
%H A071315 Jeff Lagarias, <a href="http://www.cecm.sfu.ca/organics/papers/lagarias/">3x+1 Problem</a>
%e A071315 a(3) = 3 since frac((3/2)^n) = [0;2,1,2] has 3 terms (2,1,2).
%o A071315 (PARI) a(n)=my(x=(3/2)^n);#contfrac(x-floor(x))-1 \\ _Charles R Greathouse IV_, Jul 29 2011
%Y A071315 Cf. A002379.
%K A071315 nonn
%O A071315 1,3
%A A071315 _Paul D. Hanna_, Jun 11 2002