Number of ascent sequences avoiding the pattern 100.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =14a(5) =44a(6) =153a(7) =583a(8) =2410a(9) =10721a(10) =50965a(11) =257393a(12) =1374187a(13) =7722862a(14) =45520064a(15) =280502924a(16) =1802060232a(17) =12040040899a(18) =83475921469a(19) =599400745354