A351532 - cp's OEIS frontend

A351532 Number of integer pairs (i, j), 0 < i, j < n, such that i/(n - i) + j/(n - j) = 1.

n	a(n)
1	0
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	0
11	0
12	1
13	0
14	0
15	1
16	0
17	0
18	3
19	0
20	2
21	1
22	0
23	0
24	1
25	0
26	0
27	1
28	0
29	0
30	1
31	0
32	0
33	1
34	0
35	2
36	5
37	0
38	0
39	1
40	2
41	0
42	1
43	0
44	0
45	3
46	0
47	0
48	1
49	0
50	0
51	1
52	0
53	0
54	3
55	0
56	2
57	1
58	0
59	0
60	3
61	0
62	0
63	1
64	0
65	0
66	1
67	0
68	0
69	1
70	2
71	0
72	5
73	0
74	0
75	1
76	0
77	2
78	1
79	0
80	2
81	1
82	0
83	0
84	3
85	0
86	0
87	1
88	0
89	0
90	7
91	0
92	0
93	1
94	0
95	0
96	1
97	0
98	0
99	1
100	2
101	0
102	1
103	0
104	2
105	3

[0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 3, 0, 2, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 2, 5, 0, 0, 1, 2, 0, 1, 0, 0, 3, 0, 0, 1, 0, 0, 1, 0, 0, 3, 0, 2, 1, 0, 0, 3, 0, 0, 1, 0, 0, 1, 0, 0, 1, 2, 0, 5, 0, 0, 1, 0, 2, 1, 0, 2, 1, 0, 0, 3, 0, 0, 1, 0, 0, 7, 0, 0, 1, 0, 0, 1, 0, 0, 1, 2, 0, 1, 0, 2, 3]

cp's OEIS Frontend

A351532 Number of integer pairs (i, j), 0 < i, j < n, such that i/(n - i) + j/(n - j) = 1.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	0
11	0
12	1
13	0
14	0
15	1
16	0
17	0
18	3
19	0
20	2
21	1
22	0
23	0
24	1
25	0
26	0
27	1
28	0
29	0
30	1
31	0
32	0
33	1
34	0
35	2
36	5
37	0
38	0
39	1
40	2
41	0
42	1
43	0
44	0
45	3
46	0
47	0
48	1
49	0
50	0
51	1
52	0
53	0
54	3
55	0
56	2
57	1
58	0
59	0
60	3
61	0
62	0
63	1
64	0
65	0
66	1
67	0
68	0
69	1
70	2
71	0
72	5
73	0
74	0
75	1
76	0
77	2
78	1
79	0
80	2
81	1
82	0
83	0
84	3
85	0
86	0
87	1
88	0
89	0
90	7
91	0
92	0
93	1
94	0
95	0
96	1
97	0
98	0
99	1
100	2
101	0
102	1
103	0
104	2
105	3

n	a(n)
1	0
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	0
11	0
12	1
13	0
14	0
15	1
16	0
17	0
18	3
19	0
20	2
21	1
22	0
23	0
24	1
25	0
26	0
27	1
28	0
29	0
30	1
31	0
32	0
33	1
34	0
35	2
36	5
37	0
38	0
39	1
40	2
41	0
42	1
43	0
44	0
45	3
46	0
47	0
48	1
49	0
50	0
51	1
52	0
53	0
54	3
55	0
56	2
57	1
58	0
59	0
60	3
61	0
62	0
63	1
64	0
65	0
66	1
67	0
68	0
69	1
70	2
71	0
72	5
73	0
74	0
75	1
76	0
77	2
78	1
79	0
80	2
81	1
82	0
83	0
84	3
85	0
86	0
87	1
88	0
89	0
90	7
91	0
92	0
93	1
94	0
95	0
96	1
97	0
98	0
99	1
100	2
101	0
102	1
103	0
104	2
105	3

n	a(n)
1	0
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	0
11	0
12	1
13	0
14	0
15	1
16	0
17	0
18	3
19	0
20	2
21	1
22	0
23	0
24	1
25	0
26	0
27	1
28	0
29	0
30	1
31	0
32	0
33	1
34	0
35	2
36	5
37	0
38	0
39	1
40	2
41	0
42	1
43	0
44	0
45	3
46	0
47	0
48	1
49	0
50	0
51	1
52	0
53	0
54	3
55	0
56	2
57	1
58	0
59	0
60	3
61	0
62	0
63	1
64	0
65	0
66	1
67	0
68	0
69	1
70	2
71	0
72	5
73	0
74	0
75	1
76	0
77	2
78	1
79	0
80	2
81	1
82	0
83	0
84	3
85	0
86	0
87	1
88	0
89	0
90	7
91	0
92	0
93	1
94	0
95	0
96	1
97	0
98	0
99	1
100	2
101	0
102	1
103	0
104	2
105	3