A307828 - cp's OEIS frontend

A307828 Number of integer-sided triangles with perimeter n whose smallest side-length divides n.

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

[0, 0, 1, 0, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 4, 3, 1, 3, 1, 5, 4, 1, 1, 8, 4, 1, 4, 6, 1, 8, 1, 7, 4, 1, 8, 12, 1, 1, 4, 14, 1, 9, 1, 8, 12, 1, 1, 18, 5, 8, 4, 9, 1, 10, 10, 17, 4, 1, 1, 28, 1, 1, 13, 15, 11, 11, 1, 11, 4, 18, 1, 31, 1, 1, 15, 12, 11, 12, 1, 32]

cp's OEIS Frontend

A307828 Number of integer-sided triangles with perimeter n whose smallest side-length divides n.

Table of values

List of values

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

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

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