%I M2286 #28 Jun 28 2017 15:17:12
%S 3,3,7,11,28,57,155,353,1003,2458,7214,18575,55880,149183,457639,
%T 1255933,3914103,10978240,34663182,98953078,315884786,915008430,
%U 2948378068,8645874055,28084475514,83222134020
%N Number of meanders in which first bridge is 5.
%D S. K. Lando and A. K. Zvonkin "Plane and projective meanders", Séries Formelles et Combinatoire Algébrique. Laboratoire Bordelais de Recherche Informatique, Université Bordeaux I, 1991, pp. 287-303.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H S. K. Lando and A. K. Zvonkin , <a href="/A005316/a005316_1.pdf">Plane and projective meanders</a>, Séries Formelles et Combinatoire Algébrique. Laboratoire Bordelais de Recherche Informatique, Université Bordeaux I, 1991, pp. 287-303. (Annotated scanned copy)
%Y Cf. A259974, A005316.
%K nonn
%O 5,1
%A _Simon Plouffe_
%E Offset corrected terms a(19)-a(30) added, _Andrew Howroyd_, Dec 15 2015