A240502 - cp's OEIS frontend

A240502 Product of primes appearing in the factorization of n! with even exponents.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	6
7	6
8	3
9	3
10	30
11	30
12	10
13	10
14	35
15	21
16	21
17	21
18	42
19	42
20	210
21	10
22	55
23	55
24	330
25	330
26	2145
27	715
28	5005
29	5005
30	6006
31	6006
32	3003
33	91
34	3094
35	2210
36	2210
37	2210
38	20995
39	4845
40	1938
41	1938
42	2261
43	2261
44	24871
45	124355
46	5720330
47	5720330
48	17160990
49	17160990
50	8580495

[1, 1, 1, 1, 1, 1, 6, 6, 3, 3, 30, 30, 10, 10, 35, 21, 21, 21, 42, 42, 210, 10, 55, 55, 330, 330, 2145, 715, 5005, 5005, 6006, 6006, 3003, 91, 3094, 2210, 2210, 2210, 20995, 4845, 1938, 1938, 2261, 2261, 24871, 124355, 5720330, 5720330, 17160990, 17160990, 8580495]

cp's OEIS Frontend

A240502 Product of primes appearing in the factorization of n! with even exponents.

Table of values

List of values