A329534 - cp's OEIS frontend

A329534 Irregular triangle read by rows: for n >= 1 row n lists the k from [1, 2, ... , n] such that A002378(k-1) = (k-1)*k == 0 (mod n).

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

[1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 3, 4, 6, 1, 7, 1, 8, 1, 9, 1, 5, 6, 10, 1, 11, 1, 4, 9, 12, 1, 13, 1, 7, 8, 14, 1, 6, 10, 15, 1, 16, 1, 17, 1, 9, 10, 18, 1, 19, 1, 5, 16, 20, 1, 7, 15, 21, 1, 11, 12, 22, 1, 23, 1, 9, 16, 24, 1, 25]

cp's OEIS Frontend

A329534 Irregular triangle read by rows: for n >= 1 row n lists the k from [1, 2, ... , n] such that A002378(k-1) = (k-1)*k == 0 (mod n).

Table of values

List of values

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

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

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