%I #3 Apr 30 2014 01:31:16
%S 1,2,7,29,137,679,3515,18677,101463,560062,3132639,17708417,100998567,
%T 5803646663,3356435363,19519575163
%N Number of oriented prime alternating tangles.
%H P. Zinn-Justin and J.-B. Zuber, <a href="http://arXiv.org/abs/math-ph/0002020">On the counting of colored tangles</a>
%K nonn,hard
%O 1,2
%A _Ralf Stephan_, Feb 27 2005