A246920 - cp's OEIS frontend

A246920 The number of distinct lengths of nontrivial integral cevians of an equilateral triangle of side n that divide an edge into two integral parts.

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

[0, 0, 1, 0, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 5, 4, 2, 2, 2, 2, 5, 2, 2, 5, 4, 2, 3, 2, 2, 5, 2, 6, 5, 2, 8, 2, 2, 2, 5, 8, 2, 5, 2, 2, 8, 2, 2, 9, 4, 4, 5, 2, 2, 3, 8, 8, 5, 2, 2, 5, 2, 2, 8, 8, 8, 5, 2, 2, 5, 8, 2, 8, 2, 2, 9, 2, 8, 5, 2, 14, 4, 2, 2, 5, 8, 2]

cp's OEIS Frontend

A246920 The number of distinct lengths of nontrivial integral cevians of an equilateral triangle of side n that divide an edge into two integral parts.

Table of values

List of values

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

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

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