A205028 - cp's OEIS frontend

A205028 The index j such that n divides s(k)-s(j), where k is the least index (A205018) for which such j exists, and s(k)=k*(k+1).

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

[1, 1, 2, 1, 1, 2, 2, 3, 1, 1, 4, 2, 5, 2, 3, 7, 7, 1, 8, 1, 5, 4, 10, 2, 2, 5, 1, 1, 13, 3, 14, 15, 2, 7, 1, 2, 17, 8, 3, 1, 19, 5, 20, 3, 4, 10, 22, 6, 3, 2, 5, 4, 25, 1, 8, 4, 6, 13, 28, 3]

cp's OEIS Frontend

A205028 The index j such that n divides s(k)-s(j), where k is the least index (A205018) for which such j exists, and s(k)=k*(k+1).

Table of values

List of values

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

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

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