A064379 - cp's OEIS frontend

A064379 Irregular triangle whose n-th row is a list of numbers that are infinitarily relatively prime to n (n = 2, 3, ...).

n	a(n)
2	1
3	1
4	2
5	1
6	2
7	3
8	1
9	2
10	3
11	4
12	1
13	4
14	5
15	1
16	2
17	3
18	4
19	5
20	6
21	1
22	3
23	5
24	7
25	1
26	2
27	3
28	4
29	5
30	6
31	7
32	8
33	1
34	3
35	4
36	7
37	9
38	1
39	2
40	3
41	4
42	5
43	6
44	7
45	8
46	9
47	10
48	1
49	2
50	5
51	7
52	9
53	10
54	11
55	1
56	2
57	3
58	4
59	5
60	6
61	7
62	8
63	9
64	10
65	11
66	12
67	1
68	3
69	4
70	5
71	9
72	11
73	12
74	13
75	1
76	2
77	4
78	7
79	8
80	9
81	11
82	13
83	14
84	1
85	2
86	3
87	4
88	5
89	6
90	7
91	8
92	9
93	10
94	11
95	12
96	13
97	14

[1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 4, 5, 1, 2, 3, 4, 5, 6, 1, 3, 5, 7, 1, 2, 3, 4, 5, 6, 7, 8, 1, 3, 4, 7, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 5, 7, 9, 10, 11, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 3, 4, 5, 9, 11, 12, 13, 1, 2, 4, 7, 8, 9, 11, 13, 14, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]

cp's OEIS Frontend

A064379 Irregular triangle whose n-th row is a list of numbers that are infinitarily relatively prime to n (n = 2, 3, ...).

Table of values

List of values

n	a(n)
2	1
3	1
4	2
5	1
6	2
7	3
8	1
9	2
10	3
11	4
12	1
13	4
14	5
15	1
16	2
17	3
18	4
19	5
20	6
21	1
22	3
23	5
24	7
25	1
26	2
27	3
28	4
29	5
30	6
31	7
32	8
33	1
34	3
35	4
36	7
37	9
38	1
39	2
40	3
41	4
42	5
43	6
44	7
45	8
46	9
47	10
48	1
49	2
50	5
51	7
52	9
53	10
54	11
55	1
56	2
57	3
58	4
59	5
60	6
61	7
62	8
63	9
64	10
65	11
66	12
67	1
68	3
69	4
70	5
71	9
72	11
73	12
74	13
75	1
76	2
77	4
78	7
79	8
80	9
81	11
82	13
83	14
84	1
85	2
86	3
87	4
88	5
89	6
90	7
91	8
92	9
93	10
94	11
95	12
96	13
97	14

n	a(n)
2	1
3	1
4	2
5	1
6	2
7	3
8	1
9	2
10	3
11	4
12	1
13	4
14	5
15	1
16	2
17	3
18	4
19	5
20	6
21	1
22	3
23	5
24	7
25	1
26	2
27	3
28	4
29	5
30	6
31	7
32	8
33	1
34	3
35	4
36	7
37	9
38	1
39	2
40	3
41	4
42	5
43	6
44	7
45	8
46	9
47	10
48	1
49	2
50	5
51	7
52	9
53	10
54	11
55	1
56	2
57	3
58	4
59	5
60	6
61	7
62	8
63	9
64	10
65	11
66	12
67	1
68	3
69	4
70	5
71	9
72	11
73	12
74	13
75	1
76	2
77	4
78	7
79	8
80	9
81	11
82	13
83	14
84	1
85	2
86	3
87	4
88	5
89	6
90	7
91	8
92	9
93	10
94	11
95	12
96	13
97	14

n	a(n)
2	1
3	1
4	2
5	1
6	2
7	3
8	1
9	2
10	3
11	4
12	1
13	4
14	5
15	1
16	2
17	3
18	4
19	5
20	6
21	1
22	3
23	5
24	7
25	1
26	2
27	3
28	4
29	5
30	6
31	7
32	8
33	1
34	3
35	4
36	7
37	9
38	1
39	2
40	3
41	4
42	5
43	6
44	7
45	8
46	9
47	10
48	1
49	2
50	5
51	7
52	9
53	10
54	11
55	1
56	2
57	3
58	4
59	5
60	6
61	7
62	8
63	9
64	10
65	11
66	12
67	1
68	3
69	4
70	5
71	9
72	11
73	12
74	13
75	1
76	2
77	4
78	7
79	8
80	9
81	11
82	13
83	14
84	1
85	2
86	3
87	4
88	5
89	6
90	7
91	8
92	9
93	10
94	11
95	12
96	13
97	14