Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k base pyramids.

A129165

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k base pyramids.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =1a(6) =5a(7) =2a(8) =2a(9) =1a(10) =19a(11) =9a(12) =4a(13) =3a(14) =1a(15) =73a(16) =37a(17) =15a(18) =7a(19) =4a(20) =1a(21) =292a(22) =147a(23) =63a(24) =24a(25) =11a(26) =5a(27) =1a(28) =1203a(29) =598

External references