A258181 - cp's OEIS frontend

A258181 Sum over all Dyck paths of semilength n of products over all peaks p of 2^(x_p-y_p), where x_p and y_p are the coordinates of peak p.

n	a(n)
0	1
1	1
2	5
3	89
4	5933
5	1540161
6	1584150165
7	6497470064169
8	106497075348688637
9	6980195689972655145233
10	1829876050804408046228327525
11	1918781572083632396857805205324025
12	8047973452254281276702044410544321359565
13	135022681866797995009325363468217320506328688097

[1, 1, 5, 89, 5933, 1540161, 1584150165, 6497470064169, 106497075348688637, 6980195689972655145233, 1829876050804408046228327525, 1918781572083632396857805205324025, 8047973452254281276702044410544321359565, 135022681866797995009325363468217320506328688097]

cp's OEIS Frontend

A258181 Sum over all Dyck paths of semilength n of products over all peaks p of 2^(x_p-y_p), where x_p and y_p are the coordinates of peak p.

Table of values

List of values