Number of ascent sequences avoiding the pattern 110.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =14a(5) =43a(6) =143a(7) =510a(8) =1936a(9) =7774a(10) =32848a(11) =145398a(12) =671641a(13) =3227218a(14) =16084747a(15) =82955090a(16) =441773793a(17) =2424845273a(18) =13695855478a(19) =79485625385a(20) =473393639992