A180266 - cp's OEIS frontend

A180266 a(0) = 0; a(n) = C(2n-2,n-1)(n^2-2*n+2)/n for n >= 1.

n	a(n)
0	0
1	1
2	2
3	10
4	50
5	238
6	1092
7	4884
8	21450
9	92950
10	398684
11	1696396
12	7171892
13	30161740
14	126293000
15	526864680
16	2191034970
17	9086921190
18	37596989100
19	155232577500
20	639749274780
21	2632212288420
22	10814090022840
23	44369043365400

[0, 1, 2, 10, 50, 238, 1092, 4884, 21450, 92950, 398684, 1696396, 7171892, 30161740, 126293000, 526864680, 2191034970, 9086921190, 37596989100, 155232577500, 639749274780, 2632212288420, 10814090022840, 44369043365400]

cp's OEIS Frontend

A180266 a(0) = 0; a(n) = C(2n-2,n-1)(n^2-2*n+2)/n for n >= 1.

Table of values

List of values

cp's OEIS Frontend

A180266 a(0) = 0; a(n) = C(2*n-2,n-1)*(n^2-2*n+2)/n for n >= 1.

Table of values

List of values

A180266 a(0) = 0; a(n) = C(2n-2,n-1)(n^2-2*n+2)/n for n >= 1.