A054876 - cp's OEIS frontend

A054876 Number of pairwise incongruent triangles with integer sides and positive integer area and second longest side of length n.

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

[0, 0, 0, 1, 2, 0, 0, 1, 0, 3, 0, 2, 4, 1, 4, 1, 4, 0, 0, 6, 1, 0, 0, 3, 10, 5, 0, 4, 6, 6, 0, 1, 1, 7, 7, 2, 5, 1, 8, 10, 6, 2, 0, 2, 5, 0, 0, 3, 0, 13, 13, 14, 6, 0, 7, 5, 0, 8, 0, 14, 9, 1, 3, 1, 23, 3, 0, 13, 2, 9, 0, 6, 7, 9, 19, 4, 1, 12, 0, 14, 0, 8, 0]

cp's OEIS Frontend

A054876 Number of pairwise incongruent triangles with integer sides and positive integer area and second longest side of length n.

Table of values

List of values

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

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

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