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.
%I A260744 #25 May 02 2017 22:17:18 %S A260744 1,2,5,10,23,48,105,216,467,958,2021,4146,8631,17604,36377,73876, %T A260744 151379,306882,625149,1263294,2563895,5169544,10454105,21046800, %U A260744 42451179,85334982,171799853,344952010,693368423,1391049900,2792734257 %N A260744 Number of prime juggling patterns of period n using 2 balls. %C A260744 A juggling pattern is prime if the closed walk corresponding to the pattern in the juggling state graph is a cycle. %H A260744 Steve Butler, <a href="/A260744/b260744.txt">Table of n, a(n) for n = 1..135</a> %H A260744 Esther Banaian, Steve Butler, Christopher Cox, Jeffrey Davis, Jacob Landgraf, Scarlitte Ponce, <a href="http://arxiv.org/abs/1508.05296">Counting prime juggling patterns</a>, arXiv:1508.05296 [math.CO], 2015. %H A260744 Fan Chung and R. L. Graham, <a href="http://www.jstor.org/stable/27642443">Primitive juggling sequences</a>, American Mathematical Monthly 115 (2008), 185-194. %e A260744 In siteswap notation, the prime juggling pattern(s) of length one is 2; of length two are 31 and 40; of length three are 330, 411, 420, 501, 600. %Y A260744 Cf. A260745, A260746, A260752. %K A260744 nonn %O A260744 1,2 %A A260744 _Scarlitte Ponce_, Jul 30 2015