A117484 - cp's OEIS frontend

A117484 Number of triangular numbers mod n.

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

[1, 2, 2, 4, 3, 4, 4, 8, 4, 6, 6, 8, 7, 8, 6, 16, 9, 8, 10, 12, 8, 12, 12, 16, 11, 14, 11, 16, 15, 12, 16, 32, 12, 18, 12, 16, 19, 20, 14, 24, 21, 16, 22, 24, 12, 24, 24, 32, 22, 22, 18, 28, 27, 22, 18, 32, 20, 30, 30, 24, 31, 32, 16, 64, 21, 24, 34, 36, 24, 24, 36, 32, 37, 38, 22]

cp's OEIS Frontend

A117484 Number of triangular numbers mod n.

Table of values

List of values

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

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

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