A152492 - cp's OEIS frontend

A152492 a(n) = number of integers of the form (n*k)^2/(k^2 - n^2).

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

[0, 0, 1, 1, 0, 2, 0, 1, 1, 1, 0, 8, 0, 0, 4, 1, 0, 2, 0, 4, 3, 0, 0, 9, 0, 0, 1, 2, 0, 7, 0, 1, 2, 0, 1, 8, 0, 0, 1, 4, 0, 5, 0, 1, 5, 0, 0, 9, 0, 1, 1, 1, 0, 2, 1, 4, 1, 0, 0, 23, 0, 0, 3, 1, 1, 4, 0, 1, 1, 2, 0, 10, 0, 0, 4, 1, 0, 4, 0, 4, 1, 0, 0, 17, 0, 0, 1, 1, 0, 8]

cp's OEIS Frontend

A152492 a(n) = number of integers of the form (n*k)^2/(k^2 - n^2).

Table of values

List of values

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

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

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