Number of ascent sequences of length n with the maximal number of descents.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =7a(5) =4a(6) =1a(7) =48a(8) =26a(9) =8a(10) =1a(11) =594a(12) =262a(13) =76a(14) =13a(15) =1a(16) =10030a(17) =3571a(18) =933a(19) =169a(20) =19a(21) =1a(22) =205271a(23) =61206a(24) =14351a(25) =2550a(26) =323a(27) =26a(28) =1a(29) =4910802