Sum over all Dyck paths of semilength n of products over all peaks p of x_p^2, where x_p is the x-coordinate of peak p.

A258178

Sum over all Dyck paths of semilength n of products over all peaks p of x_p^2, where x_p is the x-coordinate of peak p.

Terms

    a(0) =1a(1) =1a(2) =13a(3) =414a(4) =24324a(5) =2279209a(6) =311524201a(7) =58467947511

External references