A337604 - cp's OEIS frontend

A337604 Number of ordered triples of positive integers summing to n, any two of which have a common divisor > 1.

n	a(n)
0	0
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	6
32	105
33	46
34	120
35	21
36	181
37	6
38	153
39	67
40	189
41	12
42	262
43	6
44	213
45	118
46	231
47	12
48	337
49	21
50	306
51	121
52	303
53	12
54	433
55	57
56	369
57	154
58	378
59	18
60	583
61	30
62	435
63	217
64	465

[0, 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, 6, 105, 46, 120, 21, 181, 6, 153, 67, 189, 12, 262, 6, 213, 118, 231, 12, 337, 21, 306, 121, 303, 12, 433, 57, 369, 154, 378, 18, 583, 30, 435, 217, 465]

cp's OEIS Frontend

A337604 Number of ordered triples of positive integers summing to n, any two of which have a common divisor > 1.

Table of values

List of values

n	a(n)
0	0
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	6
32	105
33	46
34	120
35	21
36	181
37	6
38	153
39	67
40	189
41	12
42	262
43	6
44	213
45	118
46	231
47	12
48	337
49	21
50	306
51	121
52	303
53	12
54	433
55	57
56	369
57	154
58	378
59	18
60	583
61	30
62	435
63	217
64	465

n	a(n)
0	0
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	6
32	105
33	46
34	120
35	21
36	181
37	6
38	153
39	67
40	189
41	12
42	262
43	6
44	213
45	118
46	231
47	12
48	337
49	21
50	306
51	121
52	303
53	12
54	433
55	57
56	369
57	154
58	378
59	18
60	583
61	30
62	435
63	217
64	465

n	a(n)
0	0
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	6
32	105
33	46
34	120
35	21
36	181
37	6
38	153
39	67
40	189
41	12
42	262
43	6
44	213
45	118
46	231
47	12
48	337
49	21
50	306
51	121
52	303
53	12
54	433
55	57
56	369
57	154
58	378
59	18
60	583
61	30
62	435
63	217
64	465