A074634 - cp's OEIS frontend

A074634 Cototient-remainder triangle: triangular array T(n,k) (n >= 1, 0 <= k < n) read by rows, where T(n,k) = smallest number x such that cototient(x) mod n = k.

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

[1, 1, 2, 1, 2, 4, 1, 2, 4, 9, 1, 2, 4, 9, 6, 1, 2, 4, 9, 6, 25, 1, 2, 4, 9, 6, 18, 10, 1, 2, 4, 9, 6, 25, 10, 15, 1, 2, 4, 9, 6, 25, 10, 15, 12, 1, 2, 4, 9, 6, 25, 10, 15, 12, 21, 1, 2, 4, 9, 6, 24, 10, 15, 12, 21, 45, 1, 2, 4, 9, 6, 25, 10, 15, 12, 21, 30, 35, 1, 2, 4, 9, 6, 25, 10, 15, 12]

cp's OEIS Frontend

A074634 Cototient-remainder triangle: triangular array T(n,k) (n >= 1, 0 <= k < n) read by rows, where T(n,k) = smallest number x such that cototient(x) mod n = k.

Table of values

List of values

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

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

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