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%I #16 Aug 02 2014 06:25:22
%S 0,2,4,12,20,52,100,214,414,876,1722,3524,6992,14144,28188,56720,
%T 113180,227084,453748,908804,1816726,3636336,7270770,14547228,
%U 29090912,58192994,116378984,232780848,465546796,931139720,1862251212,3724592874,7449128940,14898442336,29796768552
%N Second column of A218869.
%H John P. Linderman, <a href="/A218871/b218871.txt">Table of n, a(n) for n = 2..64</a>
%H B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, <a href="http://arxiv.org/abs/1212.6102">On Curling Numbers of Integer Sequences</a>, arXiv:1212.6102, Dec 25 2012.
%H B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL16/Sloane/sloane3.html">On Curling Numbers of Integer Sequences</a>, Journal of Integer Sequences, Vol. 16 (2013), Article 13.4.3.
%Y Cf. A218869.
%K nonn
%O 2,2
%A _N. J. A. Sloane_, Nov 07 2012
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