A205386 - cp's OEIS frontend

A205386 Least k such that n divides s(k)-s(j) for some j where s(j)=(1/2)C(2j,j).

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

[2, 2, 3, 4, 4, 6, 3, 4, 3, 7, 7, 6, 5, 6, 7, 4, 4, 9, 7, 8, 6, 7, 10, 6, 4, 9, 6, 6, 5, 7, 11, 4, 7, 4, 7, 9, 9, 7, 8, 8, 5, 6, 15, 9, 9, 10, 13, 6, 7, 8]

cp's OEIS Frontend

A205386 Least k such that n divides s(k)-s(j) for some j where s(j)=(1/2)C(2j,j).

Table of values

List of values

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

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

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