A344574 - cp's OEIS frontend

A344574 Number of ordered pairs (i,j) with 0 < i < j < n such that gcd(i,j,n) > 1.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	3
9	1
10	6
11	0
12	13
13	0
14	15
15	7
16	21
17	0
18	37
19	0
20	39
21	16
22	45
23	0
24	73
25	6
26	66
27	28
28	81
29	0
30	130
31	0
32	105
33	46
34	120
35	21
36	181
37	0
38	153
39	67
40	189
41	0
42	262
43	0
44	213
45	118
46	231
47	0
48	337
49	15
50	306
51	121
52	303
53	0
54	433
55	51
56	369
57	154
58	378
59	0
60	583
61	0
62	435
63	217
64	465

[0, 0, 0, 0, 0, 1, 0, 3, 1, 6, 0, 13, 0, 15, 7, 21, 0, 37, 0, 39, 16, 45, 0, 73, 6, 66, 28, 81, 0, 130, 0, 105, 46, 120, 21, 181, 0, 153, 67, 189, 0, 262, 0, 213, 118, 231, 0, 337, 15, 306, 121, 303, 0, 433, 51, 369, 154, 378, 0, 583, 0, 435, 217, 465]

cp's OEIS Frontend

A344574 Number of ordered pairs (i,j) with 0 < i < j < n such that gcd(i,j,n) > 1.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	3
9	1
10	6
11	0
12	13
13	0
14	15
15	7
16	21
17	0
18	37
19	0
20	39
21	16
22	45
23	0
24	73
25	6
26	66
27	28
28	81
29	0
30	130
31	0
32	105
33	46
34	120
35	21
36	181
37	0
38	153
39	67
40	189
41	0
42	262
43	0
44	213
45	118
46	231
47	0
48	337
49	15
50	306
51	121
52	303
53	0
54	433
55	51
56	369
57	154
58	378
59	0
60	583
61	0
62	435
63	217
64	465

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	3
9	1
10	6
11	0
12	13
13	0
14	15
15	7
16	21
17	0
18	37
19	0
20	39
21	16
22	45
23	0
24	73
25	6
26	66
27	28
28	81
29	0
30	130
31	0
32	105
33	46
34	120
35	21
36	181
37	0
38	153
39	67
40	189
41	0
42	262
43	0
44	213
45	118
46	231
47	0
48	337
49	15
50	306
51	121
52	303
53	0
54	433
55	51
56	369
57	154
58	378
59	0
60	583
61	0
62	435
63	217
64	465

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	3
9	1
10	6
11	0
12	13
13	0
14	15
15	7
16	21
17	0
18	37
19	0
20	39
21	16
22	45
23	0
24	73
25	6
26	66
27	28
28	81
29	0
30	130
31	0
32	105
33	46
34	120
35	21
36	181
37	0
38	153
39	67
40	189
41	0
42	262
43	0
44	213
45	118
46	231
47	0
48	337
49	15
50	306
51	121
52	303
53	0
54	433
55	51
56	369
57	154
58	378
59	0
60	583
61	0
62	435
63	217
64	465