A334134 - cp's OEIS frontend

A334134 Number of integer-sided triangles with perimeter n whose side lengths can be written as the sum of two primes in the same number of ways.

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

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

cp's OEIS Frontend

A334134 Number of integer-sided triangles with perimeter n whose side lengths can be written as the sum of two primes in the same number of ways.

Table of values

List of values

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

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

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