A204913 - cp's OEIS frontend

A204913 Least k such that n divides the k-th difference between distinct double factorials.

n	a(n)
1	1
2	2
3	5
4	9
5	6
6	5
7	4
8	14
9	13
10	14
11	15
12	9
13	8
14	7
15	13
16	27
17	18
18	20
19	21
20	14
21	27
22	65
23	12
24	27
25	41
26	16
27	44
28	27
29	83
30	20
31	28
32	44
33	15
34	18
35	35
36	44
37	60
38	38
39	34
40	14
41	26
42	27
43	97
44	65
45	13
46	12
47	11
48	27
49	52
50	54
51	18
52	16
53	129
54	44
55	65
56	27
57	21
58	109
59	29
60	35

[1, 2, 5, 9, 6, 5, 4, 14, 13, 14, 15, 9, 8, 7, 13, 27, 18, 20, 21, 14, 27, 65, 12, 27, 41, 16, 44, 27, 83, 20, 28, 44, 15, 18, 35, 44, 60, 38, 34, 14, 26, 27, 97, 65, 13, 12, 11, 27, 52, 54, 18, 16, 129, 44, 65, 27, 21, 109, 29, 35]

cp's OEIS Frontend

A204913 Least k such that n divides the k-th difference between distinct double factorials.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	9
5	6
6	5
7	4
8	14
9	13
10	14
11	15
12	9
13	8
14	7
15	13
16	27
17	18
18	20
19	21
20	14
21	27
22	65
23	12
24	27
25	41
26	16
27	44
28	27
29	83
30	20
31	28
32	44
33	15
34	18
35	35
36	44
37	60
38	38
39	34
40	14
41	26
42	27
43	97
44	65
45	13
46	12
47	11
48	27
49	52
50	54
51	18
52	16
53	129
54	44
55	65
56	27
57	21
58	109
59	29
60	35

n	a(n)
1	1
2	2
3	5
4	9
5	6
6	5
7	4
8	14
9	13
10	14
11	15
12	9
13	8
14	7
15	13
16	27
17	18
18	20
19	21
20	14
21	27
22	65
23	12
24	27
25	41
26	16
27	44
28	27
29	83
30	20
31	28
32	44
33	15
34	18
35	35
36	44
37	60
38	38
39	34
40	14
41	26
42	27
43	97
44	65
45	13
46	12
47	11
48	27
49	52
50	54
51	18
52	16
53	129
54	44
55	65
56	27
57	21
58	109
59	29
60	35

n	a(n)
1	1
2	2
3	5
4	9
5	6
6	5
7	4
8	14
9	13
10	14
11	15
12	9
13	8
14	7
15	13
16	27
17	18
18	20
19	21
20	14
21	27
22	65
23	12
24	27
25	41
26	16
27	44
28	27
29	83
30	20
31	28
32	44
33	15
34	18
35	35
36	44
37	60
38	38
39	34
40	14
41	26
42	27
43	97
44	65
45	13
46	12
47	11
48	27
49	52
50	54
51	18
52	16
53	129
54	44
55	65
56	27
57	21
58	109
59	29
60	35