A337563 - cp's OEIS frontend

A337563 Number of pairwise coprime unordered triples of positive integers > 1 summing to n.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	2
13	0
14	2
15	1
16	4
17	0
18	7
19	1
20	7
21	3
22	9
23	2
24	15
25	3
26	13
27	5
28	17
29	4
30	29
31	5
32	20
33	8
34	28
35	8
36	42
37	8
38	31
39	14
40	42
41	10
42	59
43	12
44	45
45	21
46	52
47	14
48	77
49	17
50	68
51	26
52	69
53	19
54	101
55	26
56	84
57	34
58	86
59	25
60	138
61	28
62	95
63	43
64	111
65	36
66	161
67	35
68	118
69	52
70	151

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 2, 1, 4, 0, 7, 1, 7, 3, 9, 2, 15, 3, 13, 5, 17, 4, 29, 5, 20, 8, 28, 8, 42, 8, 31, 14, 42, 10, 59, 12, 45, 21, 52, 14, 77, 17, 68, 26, 69, 19, 101, 26, 84, 34, 86, 25, 138, 28, 95, 43, 111, 36, 161, 35, 118, 52, 151]

cp's OEIS Frontend

A337563 Number of pairwise coprime unordered triples of positive integers > 1 summing to n.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	2
13	0
14	2
15	1
16	4
17	0
18	7
19	1
20	7
21	3
22	9
23	2
24	15
25	3
26	13
27	5
28	17
29	4
30	29
31	5
32	20
33	8
34	28
35	8
36	42
37	8
38	31
39	14
40	42
41	10
42	59
43	12
44	45
45	21
46	52
47	14
48	77
49	17
50	68
51	26
52	69
53	19
54	101
55	26
56	84
57	34
58	86
59	25
60	138
61	28
62	95
63	43
64	111
65	36
66	161
67	35
68	118
69	52
70	151

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	2
13	0
14	2
15	1
16	4
17	0
18	7
19	1
20	7
21	3
22	9
23	2
24	15
25	3
26	13
27	5
28	17
29	4
30	29
31	5
32	20
33	8
34	28
35	8
36	42
37	8
38	31
39	14
40	42
41	10
42	59
43	12
44	45
45	21
46	52
47	14
48	77
49	17
50	68
51	26
52	69
53	19
54	101
55	26
56	84
57	34
58	86
59	25
60	138
61	28
62	95
63	43
64	111
65	36
66	161
67	35
68	118
69	52
70	151

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	0
12	2
13	0
14	2
15	1
16	4
17	0
18	7
19	1
20	7
21	3
22	9
23	2
24	15
25	3
26	13
27	5
28	17
29	4
30	29
31	5
32	20
33	8
34	28
35	8
36	42
37	8
38	31
39	14
40	42
41	10
42	59
43	12
44	45
45	21
46	52
47	14
48	77
49	17
50	68
51	26
52	69
53	19
54	101
55	26
56	84
57	34
58	86
59	25
60	138
61	28
62	95
63	43
64	111
65	36
66	161
67	35
68	118
69	52
70	151