%I #15 Nov 27 2018 03:54:10
%S 1,2,4,8,14,24,40,66,106,170,270,426,668,1044,1626,2526,3914,6054,
%T 9352,14428,22236,34244,52704,81070,12465,191594,294410,452298,694734,
%U 1066968,1638456
%N Arises in enumeration of locally convex functions.
%C See Coscia-DeWitt (2016) for precise definition.
%H Christopher Coscia, Jonathan DeWitt, <a href="http://www.combinatorics.org/ojs/index.php/eljc/article/view/v23i2p10/pdf">Locally Convex Words and Permutations</a>, Electronic Journal of Combinatorics. 23 (2), 2016, #P2.10. Eq. 4.5 gives a g.f.
%Y Cf. A271491, A271492.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Apr 15 2016
%E More terms added by _Christopher Coscia_, May 30 2017