Number of Dyck paths of semilength n such that all five consecutive patterns of Dyck paths of semilength 3 occur at least once.

A243966

Number of Dyck paths of semilength n such that all five consecutive patterns of Dyck paths of semilength 3 occur at least once.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =0a(11) =0a(12) =12a(13) =138a(14) =1152a(15) =8166a(16) =52098a(17) =308964a(18) =1733444a(19) =9311300a(20) =48280464a(21) =243112106a(22) =1194286106a(23) =5744306228a(24) =27129749648a(25) =126111332862a(26) =578106334718

External references