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Denominators of worst case for Engel expansion.
(Formerly M2398)
0

%I M2398 #15 Dec 17 2015 02:56:59

%S 1,3,5,7,7,13,19,23,31,47,61,71,73,121,121,121,121,121,121,242,484,

%T 661,661,661,1093,1753,1807,3053,3613,3613,3613,5461,5461,8011,8011,

%U 8011,8011,10081,16381

%N Denominators of worst case for Engel expansion.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H P. Erdős and Jeffrey Shallit, <a href="http://www.numdam.org/item?id=JTNB_1991__3_1_43_0">New bounds on the length of finite Pierce and Engel series</a>, Sem. Theor. Nombres Bordeaux (2) 3 (1991), no. 1, 43-53.

%H <a href="/index/El#Engel">Index entries for sequences related to Engel expansions</a>

%K nonn

%O 0,2

%A _Jeffrey Shallit_