Number of Motzkin meanders of length n with an even number of humps and an odd number of peaks.

A325925

Number of Motzkin meanders of length n with an even number of humps and an odd number of peaks.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =2a(6) =14a(7) =68a(8) =274a(9) =986a(10) =3288a(11) =10416a(12) =31872a(13) =95382a(14) =281762a(15) =827084a(16) =2423078a(17) =7102598a(18) =20852296a(19) =61323328a(20) =180581128a(21) =532199414a(22) =1569071842a(23) =4626551740a(24) =13641716894a(25) =40223795038a(26) =118614194080a(27) =349847093824

External references