A126571 - cp's OEIS frontend

A126571 Triangle where the m-th term in row n is the n-th integer from among those positive integers coprime to m.

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

[1, 2, 3, 3, 5, 4, 4, 7, 5, 7, 5, 9, 7, 9, 6, 6, 11, 8, 11, 7, 17, 7, 13, 10, 13, 8, 19, 8, 8, 15, 11, 15, 9, 23, 9, 15, 9, 17, 13, 17, 11, 25, 10, 17, 13, 10, 19, 14, 19, 12, 29, 11, 19, 14, 23, 11, 21, 16, 21, 13, 31, 12, 21, 16, 27, 12, 12, 23, 17, 23, 14, 35, 13, 23, 17, 29, 13, 35]

cp's OEIS Frontend

A126571 Triangle where the m-th term in row n is the n-th integer from among those positive integers coprime to m.

Table of values

List of values

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

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

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