A324565 - cp's OEIS frontend

A324565 a(n) = Product_{i=0..n, j=0..n} (C(i)+C(j)), where C(k) = Catalan(k) = A000108(k).

n	a(n)
0	2
1	16
2	5184
3	3292047360
4	431257150704844800000
5	1660988174371634812975670031600844800000
6	29842277901990912803108442836098281105491323166448779304684748800000

[2, 16, 5184, 3292047360, 431257150704844800000, 1660988174371634812975670031600844800000, 29842277901990912803108442836098281105491323166448779304684748800000]

cp's OEIS Frontend

A324565 a(n) = Product_{i=0..n, j=0..n} (C(i)+C(j)), where C(k) = Catalan(k) = A000108(k).

Table of values

List of values