A129292 - cp's OEIS frontend

A129292 Number of divisors of n^4 - 1 that are not greater than n.

n	a(n)
1	1
2	1
3	2
4	2
5	4
6	2
7	6
8	4
9	5
10	3
11	8
12	3
13	10
14	4
15	6
16	4
17	12
18	4
19	13
20	4
21	11
22	6
23	14
24	3
25	10
26	6
27	12
28	6
29	17
30	3
31	16
32	7
33	10
34	9
35	13
36	4
37	18
38	7
39	11
40	4
41	22
42	3
43	26
44	8
45	9
46	7
47	23
48	5
49	18
50	7
51	13
52	6
53	25
54	4
55	24
56	8
57	21
58	6
59	18
60	3
61	18
62	10
63	12
64	14
65	16
66	4
67	26
68	8
69	17
70	7
71	31
72	5
73	30
74	6
75	11
76	13
77	26
78	7
79	25
80	6
81	16
82	10
83	35
84	4
85	18
86	11

[1, 1, 2, 2, 4, 2, 6, 4, 5, 3, 8, 3, 10, 4, 6, 4, 12, 4, 13, 4, 11, 6, 14, 3, 10, 6, 12, 6, 17, 3, 16, 7, 10, 9, 13, 4, 18, 7, 11, 4, 22, 3, 26, 8, 9, 7, 23, 5, 18, 7, 13, 6, 25, 4, 24, 8, 21, 6, 18, 3, 18, 10, 12, 14, 16, 4, 26, 8, 17, 7, 31, 5, 30, 6, 11, 13, 26, 7, 25, 6, 16, 10, 35, 4, 18, 11]

cp's OEIS Frontend

A129292 Number of divisors of n^4 - 1 that are not greater than n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	4
6	2
7	6
8	4
9	5
10	3
11	8
12	3
13	10
14	4
15	6
16	4
17	12
18	4
19	13
20	4
21	11
22	6
23	14
24	3
25	10
26	6
27	12
28	6
29	17
30	3
31	16
32	7
33	10
34	9
35	13
36	4
37	18
38	7
39	11
40	4
41	22
42	3
43	26
44	8
45	9
46	7
47	23
48	5
49	18
50	7
51	13
52	6
53	25
54	4
55	24
56	8
57	21
58	6
59	18
60	3
61	18
62	10
63	12
64	14
65	16
66	4
67	26
68	8
69	17
70	7
71	31
72	5
73	30
74	6
75	11
76	13
77	26
78	7
79	25
80	6
81	16
82	10
83	35
84	4
85	18
86	11

n	a(n)
1	1
2	1
3	2
4	2
5	4
6	2
7	6
8	4
9	5
10	3
11	8
12	3
13	10
14	4
15	6
16	4
17	12
18	4
19	13
20	4
21	11
22	6
23	14
24	3
25	10
26	6
27	12
28	6
29	17
30	3
31	16
32	7
33	10
34	9
35	13
36	4
37	18
38	7
39	11
40	4
41	22
42	3
43	26
44	8
45	9
46	7
47	23
48	5
49	18
50	7
51	13
52	6
53	25
54	4
55	24
56	8
57	21
58	6
59	18
60	3
61	18
62	10
63	12
64	14
65	16
66	4
67	26
68	8
69	17
70	7
71	31
72	5
73	30
74	6
75	11
76	13
77	26
78	7
79	25
80	6
81	16
82	10
83	35
84	4
85	18
86	11

n	a(n)
1	1
2	1
3	2
4	2
5	4
6	2
7	6
8	4
9	5
10	3
11	8
12	3
13	10
14	4
15	6
16	4
17	12
18	4
19	13
20	4
21	11
22	6
23	14
24	3
25	10
26	6
27	12
28	6
29	17
30	3
31	16
32	7
33	10
34	9
35	13
36	4
37	18
38	7
39	11
40	4
41	22
42	3
43	26
44	8
45	9
46	7
47	23
48	5
49	18
50	7
51	13
52	6
53	25
54	4
55	24
56	8
57	21
58	6
59	18
60	3
61	18
62	10
63	12
64	14
65	16
66	4
67	26
68	8
69	17
70	7
71	31
72	5
73	30
74	6
75	11
76	13
77	26
78	7
79	25
80	6
81	16
82	10
83	35
84	4
85	18
86	11