A372673 - cp's OEIS frontend

A372673 Square array T(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where T(n,k) = phi(k*n) / phi(k).

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	1
9	2
10	2
11	1
12	2
13	3
14	4
15	4
16	1
17	1
18	2
19	2
20	4
21	2
22	1
23	2
24	2
25	4
26	4
27	4
28	6
29	1
30	1
31	3
32	2
33	4
34	3
35	6
36	4
37	1
38	2
39	2
40	4
41	5
42	4
43	6
44	8
45	6
46	1
47	1
48	2
49	2
50	4
51	2
52	6
53	4
54	6
55	4
56	1
57	2
58	3
59	4
60	4
61	6
62	6
63	8
64	9
65	8
66	10
67	1
68	1
69	2
70	2
71	4
72	2
73	6
74	4
75	6
76	4
77	10
78	4
79	1
80	2
81	2
82	4
83	4
84	4
85	7
86	8
87	6
88	8
89	10
90	8
91	12
92	1
93	1
94	3
95	2
96	5
97	3
98	6
99	4
100	9
101	5
102	10
103	6
104	12
105	6

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

cp's OEIS Frontend

A372673 Square array T(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where T(n,k) = phi(k*n) / phi(k).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	1
9	2
10	2
11	1
12	2
13	3
14	4
15	4
16	1
17	1
18	2
19	2
20	4
21	2
22	1
23	2
24	2
25	4
26	4
27	4
28	6
29	1
30	1
31	3
32	2
33	4
34	3
35	6
36	4
37	1
38	2
39	2
40	4
41	5
42	4
43	6
44	8
45	6
46	1
47	1
48	2
49	2
50	4
51	2
52	6
53	4
54	6
55	4
56	1
57	2
58	3
59	4
60	4
61	6
62	6
63	8
64	9
65	8
66	10
67	1
68	1
69	2
70	2
71	4
72	2
73	6
74	4
75	6
76	4
77	10
78	4
79	1
80	2
81	2
82	4
83	4
84	4
85	7
86	8
87	6
88	8
89	10
90	8
91	12
92	1
93	1
94	3
95	2
96	5
97	3
98	6
99	4
100	9
101	5
102	10
103	6
104	12
105	6

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	1
9	2
10	2
11	1
12	2
13	3
14	4
15	4
16	1
17	1
18	2
19	2
20	4
21	2
22	1
23	2
24	2
25	4
26	4
27	4
28	6
29	1
30	1
31	3
32	2
33	4
34	3
35	6
36	4
37	1
38	2
39	2
40	4
41	5
42	4
43	6
44	8
45	6
46	1
47	1
48	2
49	2
50	4
51	2
52	6
53	4
54	6
55	4
56	1
57	2
58	3
59	4
60	4
61	6
62	6
63	8
64	9
65	8
66	10
67	1
68	1
69	2
70	2
71	4
72	2
73	6
74	4
75	6
76	4
77	10
78	4
79	1
80	2
81	2
82	4
83	4
84	4
85	7
86	8
87	6
88	8
89	10
90	8
91	12
92	1
93	1
94	3
95	2
96	5
97	3
98	6
99	4
100	9
101	5
102	10
103	6
104	12
105	6

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	1
9	2
10	2
11	1
12	2
13	3
14	4
15	4
16	1
17	1
18	2
19	2
20	4
21	2
22	1
23	2
24	2
25	4
26	4
27	4
28	6
29	1
30	1
31	3
32	2
33	4
34	3
35	6
36	4
37	1
38	2
39	2
40	4
41	5
42	4
43	6
44	8
45	6
46	1
47	1
48	2
49	2
50	4
51	2
52	6
53	4
54	6
55	4
56	1
57	2
58	3
59	4
60	4
61	6
62	6
63	8
64	9
65	8
66	10
67	1
68	1
69	2
70	2
71	4
72	2
73	6
74	4
75	6
76	4
77	10
78	4
79	1
80	2
81	2
82	4
83	4
84	4
85	7
86	8
87	6
88	8
89	10
90	8
91	12
92	1
93	1
94	3
95	2
96	5
97	3
98	6
99	4
100	9
101	5
102	10
103	6
104	12
105	6