A070787 - cp's OEIS frontend

A070787 Number of triangles with sides whose squares are integers and with positive integer area and longest side of length sqrt(n).

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	0
7	0
8	2
9	1
10	4
11	0
12	1
13	3
14	0
15	2
16	5
17	5
18	2
19	0
20	13
21	0
22	0
23	0
24	2
25	9
26	8
27	1
28	1
29	9
30	4
31	0
32	10
33	0
34	10
35	2
36	12
37	11
38	0
39	3
40	23
41	14
42	0
43	0
44	1
45	13
46	0
47	0
48	5
49	5
50	18
51	5
52	32
53	18
54	2
55	2
56	2
57	0
58	19
59	0
60	13
61	16
62	0
63	1
64	20
65	35
66	0
67	0
68	42
69	0
70	4
71	0
72	23
73	24
74	23
75	9
76	1
77	0
78	8
79	0
80	44
81	10
82	27
83	0
84	1
85	48
86	0
87	9
88	2
89	27
90	25
91	3

[0, 0, 0, 1, 2, 0, 0, 2, 1, 4, 0, 1, 3, 0, 2, 5, 5, 2, 0, 13, 0, 0, 0, 2, 9, 8, 1, 1, 9, 4, 0, 10, 0, 10, 2, 12, 11, 0, 3, 23, 14, 0, 0, 1, 13, 0, 0, 5, 5, 18, 5, 32, 18, 2, 2, 2, 0, 19, 0, 13, 16, 0, 1, 20, 35, 0, 0, 42, 0, 4, 0, 23, 24, 23, 9, 1, 0, 8, 0, 44, 10, 27, 0, 1, 48, 0, 9, 2, 27, 25, 3]

cp's OEIS Frontend

A070787 Number of triangles with sides whose squares are integers and with positive integer area and longest side of length sqrt(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	2
9	1
10	4
11	0
12	1
13	3
14	0
15	2
16	5
17	5
18	2
19	0
20	13
21	0
22	0
23	0
24	2
25	9
26	8
27	1
28	1
29	9
30	4
31	0
32	10
33	0
34	10
35	2
36	12
37	11
38	0
39	3
40	23
41	14
42	0
43	0
44	1
45	13
46	0
47	0
48	5
49	5
50	18
51	5
52	32
53	18
54	2
55	2
56	2
57	0
58	19
59	0
60	13
61	16
62	0
63	1
64	20
65	35
66	0
67	0
68	42
69	0
70	4
71	0
72	23
73	24
74	23
75	9
76	1
77	0
78	8
79	0
80	44
81	10
82	27
83	0
84	1
85	48
86	0
87	9
88	2
89	27
90	25
91	3

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	0
7	0
8	2
9	1
10	4
11	0
12	1
13	3
14	0
15	2
16	5
17	5
18	2
19	0
20	13
21	0
22	0
23	0
24	2
25	9
26	8
27	1
28	1
29	9
30	4
31	0
32	10
33	0
34	10
35	2
36	12
37	11
38	0
39	3
40	23
41	14
42	0
43	0
44	1
45	13
46	0
47	0
48	5
49	5
50	18
51	5
52	32
53	18
54	2
55	2
56	2
57	0
58	19
59	0
60	13
61	16
62	0
63	1
64	20
65	35
66	0
67	0
68	42
69	0
70	4
71	0
72	23
73	24
74	23
75	9
76	1
77	0
78	8
79	0
80	44
81	10
82	27
83	0
84	1
85	48
86	0
87	9
88	2
89	27
90	25
91	3

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	0
7	0
8	2
9	1
10	4
11	0
12	1
13	3
14	0
15	2
16	5
17	5
18	2
19	0
20	13
21	0
22	0
23	0
24	2
25	9
26	8
27	1
28	1
29	9
30	4
31	0
32	10
33	0
34	10
35	2
36	12
37	11
38	0
39	3
40	23
41	14
42	0
43	0
44	1
45	13
46	0
47	0
48	5
49	5
50	18
51	5
52	32
53	18
54	2
55	2
56	2
57	0
58	19
59	0
60	13
61	16
62	0
63	1
64	20
65	35
66	0
67	0
68	42
69	0
70	4
71	0
72	23
73	24
74	23
75	9
76	1
77	0
78	8
79	0
80	44
81	10
82	27
83	0
84	1
85	48
86	0
87	9
88	2
89	27
90	25
91	3