A112592 - cp's OEIS frontend

A112592 Triangle where a(1,1) = 0, a(n,m) = number of terms of row (n-1) which are coprime to m.

n	a(n)
1	0
2	1
3	0
4	2
5	1
6	1
7	3
8	2
9	3
10	2
11	4
12	2
13	2
14	2
15	4
16	5
17	0
18	5
19	0
20	5
21	0
22	6
23	3
24	3
25	3
26	0
27	3
28	3
29	7
30	5
31	0
32	5
33	6
34	0
35	6
36	5
37	8
38	4
39	4
40	4
41	3
42	4
43	5
44	4
45	4
46	9
47	2
48	8
49	2
50	8
51	1
52	9
53	2
54	8
55	1
56	10
57	4
58	8
59	4
60	10
61	2
62	10
63	4
64	8
65	4
66	10
67	11
68	0
69	11
70	0
71	7
72	0
73	11
74	0
75	11
76	0
77	11
78	0
79	12
80	6
81	6
82	6
83	6
84	6
85	5
86	6
87	6
88	6
89	1
90	6
91	6
92	13
93	2
94	2
95	2
96	12
97	2
98	13
99	2

[0, 1, 0, 2, 1, 1, 3, 2, 3, 2, 4, 2, 2, 2, 4, 5, 0, 5, 0, 5, 0, 6, 3, 3, 3, 0, 3, 3, 7, 5, 0, 5, 6, 0, 6, 5, 8, 4, 4, 4, 3, 4, 5, 4, 4, 9, 2, 8, 2, 8, 1, 9, 2, 8, 1, 10, 4, 8, 4, 10, 2, 10, 4, 8, 4, 10, 11, 0, 11, 0, 7, 0, 11, 0, 11, 0, 11, 0, 12, 6, 6, 6, 6, 6, 5, 6, 6, 6, 1, 6, 6, 13, 2, 2, 2, 12, 2, 13, 2]

cp's OEIS Frontend

A112592 Triangle where a(1,1) = 0, a(n,m) = number of terms of row (n-1) which are coprime to m.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	2
5	1
6	1
7	3
8	2
9	3
10	2
11	4
12	2
13	2
14	2
15	4
16	5
17	0
18	5
19	0
20	5
21	0
22	6
23	3
24	3
25	3
26	0
27	3
28	3
29	7
30	5
31	0
32	5
33	6
34	0
35	6
36	5
37	8
38	4
39	4
40	4
41	3
42	4
43	5
44	4
45	4
46	9
47	2
48	8
49	2
50	8
51	1
52	9
53	2
54	8
55	1
56	10
57	4
58	8
59	4
60	10
61	2
62	10
63	4
64	8
65	4
66	10
67	11
68	0
69	11
70	0
71	7
72	0
73	11
74	0
75	11
76	0
77	11
78	0
79	12
80	6
81	6
82	6
83	6
84	6
85	5
86	6
87	6
88	6
89	1
90	6
91	6
92	13
93	2
94	2
95	2
96	12
97	2
98	13
99	2

n	a(n)
1	0
2	1
3	0
4	2
5	1
6	1
7	3
8	2
9	3
10	2
11	4
12	2
13	2
14	2
15	4
16	5
17	0
18	5
19	0
20	5
21	0
22	6
23	3
24	3
25	3
26	0
27	3
28	3
29	7
30	5
31	0
32	5
33	6
34	0
35	6
36	5
37	8
38	4
39	4
40	4
41	3
42	4
43	5
44	4
45	4
46	9
47	2
48	8
49	2
50	8
51	1
52	9
53	2
54	8
55	1
56	10
57	4
58	8
59	4
60	10
61	2
62	10
63	4
64	8
65	4
66	10
67	11
68	0
69	11
70	0
71	7
72	0
73	11
74	0
75	11
76	0
77	11
78	0
79	12
80	6
81	6
82	6
83	6
84	6
85	5
86	6
87	6
88	6
89	1
90	6
91	6
92	13
93	2
94	2
95	2
96	12
97	2
98	13
99	2

n	a(n)
1	0
2	1
3	0
4	2
5	1
6	1
7	3
8	2
9	3
10	2
11	4
12	2
13	2
14	2
15	4
16	5
17	0
18	5
19	0
20	5
21	0
22	6
23	3
24	3
25	3
26	0
27	3
28	3
29	7
30	5
31	0
32	5
33	6
34	0
35	6
36	5
37	8
38	4
39	4
40	4
41	3
42	4
43	5
44	4
45	4
46	9
47	2
48	8
49	2
50	8
51	1
52	9
53	2
54	8
55	1
56	10
57	4
58	8
59	4
60	10
61	2
62	10
63	4
64	8
65	4
66	10
67	11
68	0
69	11
70	0
71	7
72	0
73	11
74	0
75	11
76	0
77	11
78	0
79	12
80	6
81	6
82	6
83	6
84	6
85	5
86	6
87	6
88	6
89	1
90	6
91	6
92	13
93	2
94	2
95	2
96	12
97	2
98	13
99	2