A264263 - cp's OEIS frontend

A264263 The number of distinct nontrivial integral cevians of an isosceles triangle, with base of length 1 and legs of length n, that divide the base into two integral parts.

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

[0, 1, 1, 2, 2, 1, 3, 3, 1, 3, 3, 2, 5, 3, 1, 3, 7, 3, 3, 3, 1, 5, 5, 2, 5, 3, 3, 7, 3, 1, 5, 11, 3, 3, 3, 1, 5, 11, 3, 4, 4, 3, 7, 3, 3, 7, 7, 3, 5, 5, 1, 7, 7, 1, 3, 3, 3, 11, 11, 5, 5, 7, 3, 3, 3, 3, 15, 7, 1, 3, 7, 7, 11, 5, 1, 5, 11, 3, 3, 7, 3, 7, 7, 2]

cp's OEIS Frontend

A264263 The number of distinct nontrivial integral cevians of an isosceles triangle, with base of length 1 and legs of length n, that divide the base into two integral parts.

Table of values

List of values

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

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

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