A115871 - cp's OEIS frontend

A115871 Table listing for each n (in descending order) all m's <= n, such that there exists nonzero solutions to a cross-domain congruence m*i = n X i.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	3
9	8
10	9
11	10
12	11
13	7
14	12
15	13
16	5
17	14
18	6
19	15
20	16
21	17
22	18
23	19
24	15
25	20
26	21
27	13
28	22
29	14
30	23
31	19
32	15
33	24
34	25
35	9
36	26
37	10
38	27
39	15
40	28
41	12
42	29
43	21
44	13
45	30
46	31
47	27
48	11
49	32
50	33
51	34
52	35
53	31
54	36
55	37
56	29
57	38
58	30
59	39
60	35
61	40
62	41
63	25
64	42
65	26
66	43
67	27
68	44
69	28
70	45
71	46
72	38
73	30
74	47
75	27

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

cp's OEIS Frontend

A115871 Table listing for each n (in descending order) all m's <= n, such that there exists nonzero solutions to a cross-domain congruence m*i = n X i.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	3
9	8
10	9
11	10
12	11
13	7
14	12
15	13
16	5
17	14
18	6
19	15
20	16
21	17
22	18
23	19
24	15
25	20
26	21
27	13
28	22
29	14
30	23
31	19
32	15
33	24
34	25
35	9
36	26
37	10
38	27
39	15
40	28
41	12
42	29
43	21
44	13
45	30
46	31
47	27
48	11
49	32
50	33
51	34
52	35
53	31
54	36
55	37
56	29
57	38
58	30
59	39
60	35
61	40
62	41
63	25
64	42
65	26
66	43
67	27
68	44
69	28
70	45
71	46
72	38
73	30
74	47
75	27

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	3
9	8
10	9
11	10
12	11
13	7
14	12
15	13
16	5
17	14
18	6
19	15
20	16
21	17
22	18
23	19
24	15
25	20
26	21
27	13
28	22
29	14
30	23
31	19
32	15
33	24
34	25
35	9
36	26
37	10
38	27
39	15
40	28
41	12
42	29
43	21
44	13
45	30
46	31
47	27
48	11
49	32
50	33
51	34
52	35
53	31
54	36
55	37
56	29
57	38
58	30
59	39
60	35
61	40
62	41
63	25
64	42
65	26
66	43
67	27
68	44
69	28
70	45
71	46
72	38
73	30
74	47
75	27

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	3
9	8
10	9
11	10
12	11
13	7
14	12
15	13
16	5
17	14
18	6
19	15
20	16
21	17
22	18
23	19
24	15
25	20
26	21
27	13
28	22
29	14
30	23
31	19
32	15
33	24
34	25
35	9
36	26
37	10
38	27
39	15
40	28
41	12
42	29
43	21
44	13
45	30
46	31
47	27
48	11
49	32
50	33
51	34
52	35
53	31
54	36
55	37
56	29
57	38
58	30
59	39
60	35
61	40
62	41
63	25
64	42
65	26
66	43
67	27
68	44
69	28
70	45
71	46
72	38
73	30
74	47
75	27