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%I #3 Mar 31 2012 13:21:17
%S 0,4,10,19,33,54,85,132,202,307,465,702,1057,1590,2389,3588,5386,8083,
%T 12129,18198,27301,40956,61438,92161,138246,207373,311064,466600,
%U 699904,1049860,1574794,2362195,3543297,5314950,7972429,11958648
%N Those n for which A140259(n) = A002264(n+11).
%C These are the iterations where the knot comes to the front of the necklace in Werneck's Black Pearl Necklace problem.
%H Nicolau Werneck, <a href="http://www.lti.pcs.usp.br/~nwerneck/adaptoide/">Adaptoide</a>, a library for adaptive finite automata. Source code in C++ available.
%H Nicolau Werneck, <a href="http://network.nature.com/blogs/user/nwerneck/2008/01/18/the-black-pearl-necklace">The Black Pearl Necklace</a>, description of the problem.
%H Nicolau Werneck, et al. <a href="http://forum.wolframscience.com/showthread.php?threadid=1506">Discussion on the NKS Forum</a>
%Y Cf. A134342, A140261, A140262.
%K nonn
%O 0,2
%A _Antti Karttunen_, May 16 2008, based on the 2008 postings by Nicolau Leal Werneck (nwerneck(AT)gmail.com).
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