%I #12 Mar 07 2020 21:28:14
%S 1,6,32,152,690,3028,12996,54812,228284,939148,3833076,15487428,
%T 62244564,247973928,984221764,3876113404,15223550024,59379645924,
%U 231124139318,894157177372,3453279084296,13266154255196,50886266714598,194294744477756,740816697816046
%N Number of semi-meanders of order n with 6 components.
%H Andrew Howroyd, <a href="/A046725/b046725.txt">Table of n, a(n) for n = 6..40</a>
%H P. Di Francesco, O. Golinelli and E. Guitter, <a href="http://arXiv.org/abs/hep-th/9506030">Meander, folding and arch statistics</a>, arXiv:hep-th/9506030, 1995.
%Y Cf. A000682, A046726.
%K nonn
%O 6,2
%A _N. J. A. Sloane_
%E a(15)-a(40) from _Andrew Howroyd_, Dec 07 2015