A204982 - cp's OEIS frontend

A204982 Least k such that n divides k!! - j!! for some j satisfying 1 <= j < k.

n	a(n)
1	2
2	3
3	4
4	5
5	4
6	4
7	4
8	6
9	6
10	6
11	6
12	5
13	5
14	5
15	6
16	8
17	7
18	7
19	7
20	6
21	8
22	12
23	6
24	8
25	10
26	7
27	10
28	8
29	14
30	7
31	8
32	10
33	6
34	7
35	9
36	10
37	12
38	10
39	9
40	6
41	8
42	8
43	15
44	12
45	6
46	6
47	6
48	8
49	11
50	11
51	7
52	7
53	17
54	10
55	12
56	8
57	7
58	16
59	9
60	9

[2, 3, 4, 5, 4, 4, 4, 6, 6, 6, 6, 5, 5, 5, 6, 8, 7, 7, 7, 6, 8, 12, 6, 8, 10, 7, 10, 8, 14, 7, 8, 10, 6, 7, 9, 10, 12, 10, 9, 6, 8, 8, 15, 12, 6, 6, 6, 8, 11, 11, 7, 7, 17, 10, 12, 8, 7, 16, 9, 9]

cp's OEIS Frontend

A204982 Least k such that n divides k!! - j!! for some j satisfying 1 <= j < k.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	4
6	4
7	4
8	6
9	6
10	6
11	6
12	5
13	5
14	5
15	6
16	8
17	7
18	7
19	7
20	6
21	8
22	12
23	6
24	8
25	10
26	7
27	10
28	8
29	14
30	7
31	8
32	10
33	6
34	7
35	9
36	10
37	12
38	10
39	9
40	6
41	8
42	8
43	15
44	12
45	6
46	6
47	6
48	8
49	11
50	11
51	7
52	7
53	17
54	10
55	12
56	8
57	7
58	16
59	9
60	9

n	a(n)
1	2
2	3
3	4
4	5
5	4
6	4
7	4
8	6
9	6
10	6
11	6
12	5
13	5
14	5
15	6
16	8
17	7
18	7
19	7
20	6
21	8
22	12
23	6
24	8
25	10
26	7
27	10
28	8
29	14
30	7
31	8
32	10
33	6
34	7
35	9
36	10
37	12
38	10
39	9
40	6
41	8
42	8
43	15
44	12
45	6
46	6
47	6
48	8
49	11
50	11
51	7
52	7
53	17
54	10
55	12
56	8
57	7
58	16
59	9
60	9

n	a(n)
1	2
2	3
3	4
4	5
5	4
6	4
7	4
8	6
9	6
10	6
11	6
12	5
13	5
14	5
15	6
16	8
17	7
18	7
19	7
20	6
21	8
22	12
23	6
24	8
25	10
26	7
27	10
28	8
29	14
30	7
31	8
32	10
33	6
34	7
35	9
36	10
37	12
38	10
39	9
40	6
41	8
42	8
43	15
44	12
45	6
46	6
47	6
48	8
49	11
50	11
51	7
52	7
53	17
54	10
55	12
56	8
57	7
58	16
59	9
60	9