A070108 - cp's OEIS frontend

A070108 Number of integer triangles with perimeter n and prime side lengths which are obtuse and isosceles.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	0
9	0
10	0
11	1
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	1
26	0
27	1
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	1
40	0
41	1
42	0
43	0
44	0
45	1
46	0
47	0
48	0
49	1
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	1
64	0
65	1
66	0
67	1
68	0
69	1
70	0
71	0
72	0
73	0
74	0
75	1
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	1
84	0
85	0
86	0
87	1
88	0
89	1
90	0

[0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0]

cp's OEIS Frontend

A070108 Number of integer triangles with perimeter n and prime side lengths which are obtuse and isosceles.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	0
9	0
10	0
11	1
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	1
26	0
27	1
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	1
40	0
41	1
42	0
43	0
44	0
45	1
46	0
47	0
48	0
49	1
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	1
64	0
65	1
66	0
67	1
68	0
69	1
70	0
71	0
72	0
73	0
74	0
75	1
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	1
84	0
85	0
86	0
87	1
88	0
89	1
90	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	0
9	0
10	0
11	1
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	1
26	0
27	1
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	1
40	0
41	1
42	0
43	0
44	0
45	1
46	0
47	0
48	0
49	1
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	1
64	0
65	1
66	0
67	1
68	0
69	1
70	0
71	0
72	0
73	0
74	0
75	1
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	1
84	0
85	0
86	0
87	1
88	0
89	1
90	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	0
9	0
10	0
11	1
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	1
26	0
27	1
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	0
39	1
40	0
41	1
42	0
43	0
44	0
45	1
46	0
47	0
48	0
49	1
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	1
64	0
65	1
66	0
67	1
68	0
69	1
70	0
71	0
72	0
73	0
74	0
75	1
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	1
84	0
85	0
86	0
87	1
88	0
89	1
90	0