%I A057787
%S A057787 2,7,22,93,364,1734,8246,41043,206602
%N A057787 Number of polyarcs with n cells.
%H A057787 Brendan Owen (bdowen(AT)ee.mu.oz.au), <a href="http://www.picciotto.org/
               math-ed/puzzles/polyarcs/pentarcs-bo.html">Tetrarcs and Pentarcs</
               a>
%Y A057787 Sequence in context: A150331 A150332 A150333 this_sequence A004300 A049369 
               A153523
%Y A057787 Adjacent sequences: A057784 A057785 A057786 this_sequence A057788 A057789 
               A057790
%K A057787 nonn,nice
%O A057787 1,1
%A A057787 N. J. A. Sloane (njas(AT)research.att.com), Nov 04 2000