A205018 - cp's OEIS frontend

A205018 Least k such that n divides s(k)-s(j) for some j satisfying 1<=j where s(j)=j*(j+1).

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

[2, 2, 3, 2, 3, 3, 4, 4, 4, 3, 6, 5, 7, 4, 6, 8, 9, 4, 10, 6, 8, 6, 12, 5, 7, 7, 7, 5, 15, 6, 16, 16, 8, 9, 8, 6, 19, 10, 9, 6, 21, 8, 22, 7, 10, 12, 24, 9, 10, 7, 11, 8, 27, 7, 13, 11, 12, 15, 30, 8]

cp's OEIS Frontend

A205018 Least k such that n divides s(k)-s(j) for some j satisfying 1<=j where s(j)=j*(j+1).

Table of values

List of values

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

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

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