A342967 - cp's OEIS frontend

A342967 a(n) = 1 + Sum_{j=1..n} Product_{k=0..j-1} binomial(2n-1,n+k) / binomial(2n-1,k).

n	a(n)
0	1
1	2
2	5
3	22
4	177
5	2606
6	70226
7	3457742
8	311348897
9	51177188350
10	15377065068510
11	8430169458379450
12	8446194335222422950
13	15435904380166258833482
14	51546769958534244310727102
15	313937270864810066000897492222
16	3493348088919874482660174997662017

[1, 2, 5, 22, 177, 2606, 70226, 3457742, 311348897, 51177188350, 15377065068510, 8430169458379450, 8446194335222422950, 15435904380166258833482, 51546769958534244310727102, 313937270864810066000897492222, 3493348088919874482660174997662017]

cp's OEIS Frontend

A342967 a(n) = 1 + Sum_{j=1..n} Product_{k=0..j-1} binomial(2n-1,n+k) / binomial(2n-1,k).

Table of values

List of values

cp's OEIS Frontend

A342967 a(n) = 1 + Sum_{j=1..n} Product_{k=0..j-1} binomial(2*n-1,n+k) / binomial(2*n-1,k).

Table of values

List of values

A342967 a(n) = 1 + Sum_{j=1..n} Product_{k=0..j-1} binomial(2n-1,n+k) / binomial(2n-1,k).