A259053 - cp's OEIS frontend

A259053 Number of triangles with sides pairwise relatively prime and one maximal side being n; permutations of sides are not considered distinct.

n	a(n)
1	1
2	0
3	0
4	0
5	1
6	0
7	3
8	2
9	4
10	1
11	11
12	2
13	17
14	6
15	8
16	9
17	32
18	6
19	42
20	12
21	22
22	15
23	64
24	12
25	56
26	25
27	49
28	25
29	107
30	12
31	124
32	51
33	64
34	45
35	86
36	27
37	180
38	59
39	91
40	45
41	225
42	30
43	250
44	81
45	96
46	87
47	302
48	55
49	263
50	82

[1, 0, 0, 0, 1, 0, 3, 2, 4, 1, 11, 2, 17, 6, 8, 9, 32, 6, 42, 12, 22, 15, 64, 12, 56, 25, 49, 25, 107, 12, 124, 51, 64, 45, 86, 27, 180, 59, 91, 45, 225, 30, 250, 81, 96, 87, 302, 55, 263, 82]

cp's OEIS Frontend

A259053 Number of triangles with sides pairwise relatively prime and one maximal side being n; permutations of sides are not considered distinct.

Table of values

List of values

n	a(n)
1	1
2	0
3	0
4	0
5	1
6	0
7	3
8	2
9	4
10	1
11	11
12	2
13	17
14	6
15	8
16	9
17	32
18	6
19	42
20	12
21	22
22	15
23	64
24	12
25	56
26	25
27	49
28	25
29	107
30	12
31	124
32	51
33	64
34	45
35	86
36	27
37	180
38	59
39	91
40	45
41	225
42	30
43	250
44	81
45	96
46	87
47	302
48	55
49	263
50	82

n	a(n)
1	1
2	0
3	0
4	0
5	1
6	0
7	3
8	2
9	4
10	1
11	11
12	2
13	17
14	6
15	8
16	9
17	32
18	6
19	42
20	12
21	22
22	15
23	64
24	12
25	56
26	25
27	49
28	25
29	107
30	12
31	124
32	51
33	64
34	45
35	86
36	27
37	180
38	59
39	91
40	45
41	225
42	30
43	250
44	81
45	96
46	87
47	302
48	55
49	263
50	82

n	a(n)
1	1
2	0
3	0
4	0
5	1
6	0
7	3
8	2
9	4
10	1
11	11
12	2
13	17
14	6
15	8
16	9
17	32
18	6
19	42
20	12
21	22
22	15
23	64
24	12
25	56
26	25
27	49
28	25
29	107
30	12
31	124
32	51
33	64
34	45
35	86
36	27
37	180
38	59
39	91
40	45
41	225
42	30
43	250
44	81
45	96
46	87
47	302
48	55
49	263
50	82