A337603 - cp's OEIS frontend

A337603 Number of ordered triples of positive integers summing to n whose set of distinct parts is pairwise coprime, where a singleton is not considered coprime unless it is (1).

n	a(n)
0	0
1	0
2	0
3	1
4	3
5	6
6	9
7	9
8	18
9	15
10	24
11	21
12	42
13	24
14	51
15	30
16	54
17	42
18	93
19	45
20	102
21	54
22	99
23	69
24	162
25	66
26	150
27	87
28	168
29	96
30	264
31	93
32	228
33	120
34	246
35	126
36	336
37	132
38	315
39	168
40	342
41	162
42	486
43	165
44	420
45	216
46	411
47	213
48	618
49	207
50	558
51	258
52	540
53	258
54	783
55	264
56	654
57	324
58	660

[0, 0, 0, 1, 3, 6, 9, 9, 18, 15, 24, 21, 42, 24, 51, 30, 54, 42, 93, 45, 102, 54, 99, 69, 162, 66, 150, 87, 168, 96, 264, 93, 228, 120, 246, 126, 336, 132, 315, 168, 342, 162, 486, 165, 420, 216, 411, 213, 618, 207, 558, 258, 540, 258, 783, 264, 654, 324, 660]

cp's OEIS Frontend

A337603 Number of ordered triples of positive integers summing to n whose set of distinct parts is pairwise coprime, where a singleton is not considered coprime unless it is (1).

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	1
4	3
5	6
6	9
7	9
8	18
9	15
10	24
11	21
12	42
13	24
14	51
15	30
16	54
17	42
18	93
19	45
20	102
21	54
22	99
23	69
24	162
25	66
26	150
27	87
28	168
29	96
30	264
31	93
32	228
33	120
34	246
35	126
36	336
37	132
38	315
39	168
40	342
41	162
42	486
43	165
44	420
45	216
46	411
47	213
48	618
49	207
50	558
51	258
52	540
53	258
54	783
55	264
56	654
57	324
58	660

n	a(n)
0	0
1	0
2	0
3	1
4	3
5	6
6	9
7	9
8	18
9	15
10	24
11	21
12	42
13	24
14	51
15	30
16	54
17	42
18	93
19	45
20	102
21	54
22	99
23	69
24	162
25	66
26	150
27	87
28	168
29	96
30	264
31	93
32	228
33	120
34	246
35	126
36	336
37	132
38	315
39	168
40	342
41	162
42	486
43	165
44	420
45	216
46	411
47	213
48	618
49	207
50	558
51	258
52	540
53	258
54	783
55	264
56	654
57	324
58	660

n	a(n)
0	0
1	0
2	0
3	1
4	3
5	6
6	9
7	9
8	18
9	15
10	24
11	21
12	42
13	24
14	51
15	30
16	54
17	42
18	93
19	45
20	102
21	54
22	99
23	69
24	162
25	66
26	150
27	87
28	168
29	96
30	264
31	93
32	228
33	120
34	246
35	126
36	336
37	132
38	315
39	168
40	342
41	162
42	486
43	165
44	420
45	216
46	411
47	213
48	618
49	207
50	558
51	258
52	540
53	258
54	783
55	264
56	654
57	324
58	660