A338201 - cp's OEIS frontend

A338201 a(n) is the number of unit perimeter triangles with rational side lengths whose largest denominator is equal to n.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	2
10	1
11	4
12	2
13	5
14	2
15	5
16	4
17	8
18	4
19	10
20	8
21	10
22	6
23	14
24	8
25	15
26	9
27	16
28	14
29	21
30	13
31	24
32	16
33	23
34	16
35	41
36	18
37	33
38	20
39	33
40	32
41	40
42	32
43	44
44	34
45	53
46	30
47	52
48	32
49	54
50	35
51	54
52	48
53	65
54	38
55	87
56	70
57	67
58	49
59	80
60	64
61	85
62	56
63	116
64	64
65	116
66	73
67	102
68	80
69	96
70	99

[0, 0, 1, 0, 1, 0, 2, 1, 2, 1, 4, 2, 5, 2, 5, 4, 8, 4, 10, 8, 10, 6, 14, 8, 15, 9, 16, 14, 21, 13, 24, 16, 23, 16, 41, 18, 33, 20, 33, 32, 40, 32, 44, 34, 53, 30, 52, 32, 54, 35, 54, 48, 65, 38, 87, 70, 67, 49, 80, 64, 85, 56, 116, 64, 116, 73, 102, 80, 96, 99]

cp's OEIS Frontend

A338201 a(n) is the number of unit perimeter triangles with rational side lengths whose largest denominator is equal to n.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	2
10	1
11	4
12	2
13	5
14	2
15	5
16	4
17	8
18	4
19	10
20	8
21	10
22	6
23	14
24	8
25	15
26	9
27	16
28	14
29	21
30	13
31	24
32	16
33	23
34	16
35	41
36	18
37	33
38	20
39	33
40	32
41	40
42	32
43	44
44	34
45	53
46	30
47	52
48	32
49	54
50	35
51	54
52	48
53	65
54	38
55	87
56	70
57	67
58	49
59	80
60	64
61	85
62	56
63	116
64	64
65	116
66	73
67	102
68	80
69	96
70	99

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	2
10	1
11	4
12	2
13	5
14	2
15	5
16	4
17	8
18	4
19	10
20	8
21	10
22	6
23	14
24	8
25	15
26	9
27	16
28	14
29	21
30	13
31	24
32	16
33	23
34	16
35	41
36	18
37	33
38	20
39	33
40	32
41	40
42	32
43	44
44	34
45	53
46	30
47	52
48	32
49	54
50	35
51	54
52	48
53	65
54	38
55	87
56	70
57	67
58	49
59	80
60	64
61	85
62	56
63	116
64	64
65	116
66	73
67	102
68	80
69	96
70	99

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	2
10	1
11	4
12	2
13	5
14	2
15	5
16	4
17	8
18	4
19	10
20	8
21	10
22	6
23	14
24	8
25	15
26	9
27	16
28	14
29	21
30	13
31	24
32	16
33	23
34	16
35	41
36	18
37	33
38	20
39	33
40	32
41	40
42	32
43	44
44	34
45	53
46	30
47	52
48	32
49	54
50	35
51	54
52	48
53	65
54	38
55	87
56	70
57	67
58	49
59	80
60	64
61	85
62	56
63	116
64	64
65	116
66	73
67	102
68	80
69	96
70	99