A308061 - cp's OEIS frontend

A308061 Number of integer-sided triangles with perimeter n whose side lengths are squarefree.

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

[0, 0, 1, 0, 1, 1, 2, 1, 1, 0, 2, 1, 3, 2, 5, 3, 3, 2, 2, 1, 3, 3, 6, 4, 3, 2, 6, 4, 7, 7, 11, 8, 8, 6, 11, 8, 9, 6, 13, 9, 10, 6, 13, 9, 16, 12, 20, 15, 17, 12, 15, 10, 16, 14, 15, 11, 12, 10, 16, 12, 18, 18, 25, 19, 21, 19, 26, 19, 29, 27, 35, 27, 29, 27]

cp's OEIS Frontend

A308061 Number of integer-sided triangles with perimeter n whose side lengths are squarefree.

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

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

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