A070106 - cp's OEIS frontend

A070106 Number of integer triangles with perimeter n 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	1
15	1
16	0
17	0
18	1
19	1
20	0
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	1
30	1
31	2
32	1
33	1
34	1
35	2
36	1
37	1
38	2
39	2
40	1
41	2
42	2
43	2
44	1
45	2
46	2
47	2
48	2
49	2
50	2
51	2
52	2
53	2
54	2
55	3
56	2
57	2
58	2
59	3
60	2
61	2
62	3
63	3
64	2
65	3
66	3
67	3
68	2
69	3
70	3
71	3
72	3
73	3
74	3
75	3
76	3
77	3
78	3
79	4
80	3
81	3
82	4
83	4
84	3
85	3
86	4
87	4
88	3
89	4
90	4

[0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 3, 3, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, 4, 4, 3, 3, 4, 4, 3, 4, 4]

cp's OEIS Frontend

A070106 Number of integer triangles with perimeter n 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	1
15	1
16	0
17	0
18	1
19	1
20	0
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	1
30	1
31	2
32	1
33	1
34	1
35	2
36	1
37	1
38	2
39	2
40	1
41	2
42	2
43	2
44	1
45	2
46	2
47	2
48	2
49	2
50	2
51	2
52	2
53	2
54	2
55	3
56	2
57	2
58	2
59	3
60	2
61	2
62	3
63	3
64	2
65	3
66	3
67	3
68	2
69	3
70	3
71	3
72	3
73	3
74	3
75	3
76	3
77	3
78	3
79	4
80	3
81	3
82	4
83	4
84	3
85	3
86	4
87	4
88	3
89	4
90	4

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

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