A205130 - cp's OEIS frontend

A205130 Least k such that n divides s(k)-s(j) for some j satisfying 1<=j where s(j)=2*j^2-j, the j-th hexagonal number.

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

[2, 3, 3, 5, 2, 5, 3, 9, 3, 5, 4, 6, 4, 3, 5, 17, 5, 7, 6, 6, 6, 4, 7, 11, 7, 11, 4, 11, 8, 5, 9, 33, 9, 14, 8, 9, 10, 6, 5, 13, 11, 12, 12, 5, 7, 7, 13, 18, 9, 14, 6, 12, 14, 8, 11, 13, 8, 23, 16, 6]

cp's OEIS Frontend

A205130 Least k such that n divides s(k)-s(j) for some j satisfying 1<=j where s(j)=2*j^2-j, the j-th hexagonal number.

Table of values

List of values

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

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

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