Number of Dyck paths of semilength n having exactly six (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).

A243775

Number of Dyck paths of semilength n having exactly six (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).

Terms

    a(0) =64a(1) =0a(2) =1a(3) =1a(4) =0a(5) =58310a(6) =0a(7) =0a(8) =169352a(9) =82494a(10) =40040a(11) =163083704a(12) =140035157a(13) =306726a(14) =178134488a(15) =7368664408a(16) =6899287752a(17) =86343111918a(18) =221762412480a(19) =89389210680a(20) =45967495392a(22) =18828656a(23) =987116153856

External references