Sum over all Dyck paths of semilength n of products over all peaks p of x_p+y_p, where x_p and y_p are the coordinates of peak p.
A258175
Sum over all Dyck paths of semilength n of products over all peaks p of x_p+y_p, where x_p and y_p are the coordinates of peak p.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =114a(4) =1448a(5) =22770a(6) =424164a(7) =9095450a(8) =220023184a(9) =5914998594a(10) =174682531260
External references
- oeis: A258175