%I A131339
%S A131339 1,4,17,51,155,427,1152,2983
%N A131339 Number of non-invertible pretzel knots with n crossings.
%D A131339 Jablan S. and Sazdanovic R., LinKnot: Knot Theory by Computer, World 
               Scientific Press, 2007. See p. 139.
%Y A131339 Sequence in context: A147656 A095667 A119949 this_sequence A047668 A092091 
               A046995
%Y A131339 Adjacent sequences: A131336 A131337 A131338 this_sequence A131340 A131341 
               A131342
%K A131339 nonn
%O A131339 10,2
%A A131339 N. J. A. Sloane (njas(AT)research.att.com), May 26 2008