A112593 - cp's OEIS frontend

A112593 Triangle where a(1,1) = 1, a(n,m) = number of terms of row (n-1) which are coprime to m. Row n has (2n-1) terms.

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

[1, 1, 1, 1, 3, 3, 3, 3, 3, 5, 5, 0, 5, 5, 0, 5, 7, 5, 5, 5, 0, 5, 5, 5, 5, 9, 8, 8, 8, 1, 8, 7, 8, 8, 1, 8, 11, 4, 10, 4, 11, 3, 10, 4, 10, 4, 11, 3, 11, 13, 6, 11, 6, 10, 4, 13, 6, 11, 6, 9, 4, 13, 6, 8, 15, 6, 9, 6, 14, 5, 15, 6, 9, 6, 13, 5, 12, 6, 8, 6, 15, 17, 8, 5, 8, 12, 3, 16, 8, 5, 3, 17, 3, 16]

cp's OEIS Frontend

A112593 Triangle where a(1,1) = 1, a(n,m) = number of terms of row (n-1) which are coprime to m. Row n has (2n-1) terms.

Table of values

List of values

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

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

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