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%I #17 Feb 20 2018 08:09:32
%S 1,1,3,7,23,63,213,627,2149,6597,22787,71883,249523,802291,2794365,
%T 9111917,31814061,104862813,366796437,1219313185,4271041447,
%U 14295561451,50131159253,168742700865,592279599483,2003050663889
%N Dimensions of graded algebra associated with meanders.
%H B. Bobier and J. Sawada, <a href="/A060089/b060089.txt">Table of n, a(n) for n = 0..28</a> [from preprint below]
%H R. Bacher, <a href="https://www-fourier.ujf-grenoble.fr/?q=en/content/meander-algebras">Meander algebras</a>, Institut Fourier, UMR 5582, Laboratoire de Mathématiques, 1999.
%H B. Bobier and J. Sawada, <a href="http://www.cis.uoguelph.ca/~sawada/papers/meander.pdf">A fast algorithm to generate open meandric systems and meanders</a>, Transactions on Algorithms, Vol. 6 No. 2 (2010) article #42, 12 pages.
%Y Meander sequences in Bacher's paper: A005315, A060066, A060089, A060111, A060148, A060149, A060174, A060198, A060206.
%K nonn
%O 0,3
%A _N. J. A. Sloane_, Apr 10 2001
%E More terms from Larry Reeves (larryr(AT)acm.org), Apr 26 2001
%E Further terms from the Bobier-Sawada paper, Jul 28 2007
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