A308454 - cp's OEIS frontend

A308454 Number of integer-sided triangles with perimeter n whose largest side length is 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	3
12	2
13	5
14	4
15	7
16	5
17	4
18	3
19	2
20	1
21	6
22	5
23	10
24	9
25	8
26	7
27	13
28	11
29	17
30	15
31	21
32	18
33	17
34	14
35	22
36	19
37	18
38	15
39	24
40	20
41	19
42	16
43	26
44	22
45	33
46	29
47	40
48	36
49	35
50	31
51	30
52	26
53	38
54	35
55	33
56	30
57	28
58	25
59	38
60	35
61	48
62	45
63	58
64	54
65	51
66	48
67	62
68	58
69	73
70	69
71	84

[0, 0, 1, 0, 1, 1, 2, 1, 1, 0, 3, 2, 5, 4, 7, 5, 4, 3, 2, 1, 6, 5, 10, 9, 8, 7, 13, 11, 17, 15, 21, 18, 17, 14, 22, 19, 18, 15, 24, 20, 19, 16, 26, 22, 33, 29, 40, 36, 35, 31, 30, 26, 38, 35, 33, 30, 28, 25, 38, 35, 48, 45, 58, 54, 51, 48, 62, 58, 73, 69, 84]

cp's OEIS Frontend

A308454 Number of integer-sided triangles with perimeter n whose largest side length is 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	3
12	2
13	5
14	4
15	7
16	5
17	4
18	3
19	2
20	1
21	6
22	5
23	10
24	9
25	8
26	7
27	13
28	11
29	17
30	15
31	21
32	18
33	17
34	14
35	22
36	19
37	18
38	15
39	24
40	20
41	19
42	16
43	26
44	22
45	33
46	29
47	40
48	36
49	35
50	31
51	30
52	26
53	38
54	35
55	33
56	30
57	28
58	25
59	38
60	35
61	48
62	45
63	58
64	54
65	51
66	48
67	62
68	58
69	73
70	69
71	84

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

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