A070099 - cp's OEIS frontend

A070099 Number of integer triangles with perimeter n and relatively prime side lengths which are acute and isosceles.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	1
9	1
10	1
11	2
12	1
13	3
14	1
15	1
16	2
17	4
18	1
19	4
20	2
21	2
22	2
23	5
24	1
25	4
26	2
27	4
28	3
29	6
30	2
31	6
32	3
33	4
34	3
35	5
36	3
37	8
38	3
39	4
40	3
41	8
42	3
43	9
44	5
45	5
46	4
47	10
48	3
49	9
50	4
51	6
52	5
53	11
54	4
55	8
56	5
57	7
58	6
59	12
60	3
61	13
62	6
63	8
64	7
65	9
66	4
67	14
68	7
69	8
70	5
71	15
72	5
73	15
74	7
75	9
76	8
77	13
78	6
79	16
80	6
81	11
82	8
83	17
84	5
85	13

[0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 2, 1, 3, 1, 1, 2, 4, 1, 4, 2, 2, 2, 5, 1, 4, 2, 4, 3, 6, 2, 6, 3, 4, 3, 5, 3, 8, 3, 4, 3, 8, 3, 9, 5, 5, 4, 10, 3, 9, 4, 6, 5, 11, 4, 8, 5, 7, 6, 12, 3, 13, 6, 8, 7, 9, 4, 14, 7, 8, 5, 15, 5, 15, 7, 9, 8, 13, 6, 16, 6, 11, 8, 17, 5, 13]

cp's OEIS Frontend

A070099 Number of integer triangles with perimeter n and relatively prime side lengths which are acute and isosceles.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	1
9	1
10	1
11	2
12	1
13	3
14	1
15	1
16	2
17	4
18	1
19	4
20	2
21	2
22	2
23	5
24	1
25	4
26	2
27	4
28	3
29	6
30	2
31	6
32	3
33	4
34	3
35	5
36	3
37	8
38	3
39	4
40	3
41	8
42	3
43	9
44	5
45	5
46	4
47	10
48	3
49	9
50	4
51	6
52	5
53	11
54	4
55	8
56	5
57	7
58	6
59	12
60	3
61	13
62	6
63	8
64	7
65	9
66	4
67	14
68	7
69	8
70	5
71	15
72	5
73	15
74	7
75	9
76	8
77	13
78	6
79	16
80	6
81	11
82	8
83	17
84	5
85	13

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	1
9	1
10	1
11	2
12	1
13	3
14	1
15	1
16	2
17	4
18	1
19	4
20	2
21	2
22	2
23	5
24	1
25	4
26	2
27	4
28	3
29	6
30	2
31	6
32	3
33	4
34	3
35	5
36	3
37	8
38	3
39	4
40	3
41	8
42	3
43	9
44	5
45	5
46	4
47	10
48	3
49	9
50	4
51	6
52	5
53	11
54	4
55	8
56	5
57	7
58	6
59	12
60	3
61	13
62	6
63	8
64	7
65	9
66	4
67	14
68	7
69	8
70	5
71	15
72	5
73	15
74	7
75	9
76	8
77	13
78	6
79	16
80	6
81	11
82	8
83	17
84	5
85	13

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	1
9	1
10	1
11	2
12	1
13	3
14	1
15	1
16	2
17	4
18	1
19	4
20	2
21	2
22	2
23	5
24	1
25	4
26	2
27	4
28	3
29	6
30	2
31	6
32	3
33	4
34	3
35	5
36	3
37	8
38	3
39	4
40	3
41	8
42	3
43	9
44	5
45	5
46	4
47	10
48	3
49	9
50	4
51	6
52	5
53	11
54	4
55	8
56	5
57	7
58	6
59	12
60	3
61	13
62	6
63	8
64	7
65	9
66	4
67	14
68	7
69	8
70	5
71	15
72	5
73	15
74	7
75	9
76	8
77	13
78	6
79	16
80	6
81	11
82	8
83	17
84	5
85	13