A184877 - cp's OEIS frontend

A184877 a(n) = n^2(n-2)^2(n-4)^2...(1 or 2)^2.

n	a(n)
0	1
1	1
2	4
3	9
4	64
5	225
6	2304
7	11025
8	147456
9	893025
10	14745600
11	108056025
12	2123366400
13	18261468225
14	416179814400
15	4108830350625
16	106542032486400
17	1187451971330625
18	34519618525593600
19	428670161650355625
20	13807847410237440000
21	189043541287806830625
22	6682998146554920960000
23	100004033341249813400625

[1, 1, 4, 9, 64, 225, 2304, 11025, 147456, 893025, 14745600, 108056025, 2123366400, 18261468225, 416179814400, 4108830350625, 106542032486400, 1187451971330625, 34519618525593600, 428670161650355625, 13807847410237440000, 189043541287806830625, 6682998146554920960000, 100004033341249813400625]

cp's OEIS Frontend

A184877 a(n) = n^2(n-2)^2(n-4)^2...(1 or 2)^2.

Table of values

List of values

cp's OEIS Frontend

A184877 a(n) = n^2*(n-2)^2*(n-4)^2*...*(1 or 2)^2.

Table of values

List of values

A184877 a(n) = n^2(n-2)^2(n-4)^2...(1 or 2)^2.