A307987 - cp's OEIS frontend

A307987 Number of integer-sided triangles with perimeter n and at least one nonsquarefree side.

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

[0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 5, 5, 8, 7, 9, 7, 8, 8, 13, 12, 13, 12, 14, 12, 13, 13, 19, 18, 19, 19, 24, 24, 24, 24, 30, 31, 31, 31, 32, 32, 32, 33, 39, 40, 46, 46, 49, 47, 55, 54, 63, 60, 64, 63, 67, 62, 66, 66, 75, 72, 76, 77, 79, 75, 79]

cp's OEIS Frontend

A307987 Number of integer-sided triangles with perimeter n and at least one nonsquarefree side.

Table of values

List of values

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

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

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