A260896 - cp's OEIS frontend

A260896 a(n) gives the number of integers m such that there exist k and h with 2n^2 < mk^2 < 2(n+1)^2 and 2n^2 < 2mh^2 < 2(n+1)^2.

n	a(n)
0	0
1	1
2	0
3	1
4	1
5	1
6	3
7	3
8	2
9	3
10	2
11	2
12	3
13	3
14	0
15	3
16	1
17	4
18	2
19	3
20	3
21	1
22	6
23	3
24	4
25	4
26	5
27	3
28	2
29	5
30	4
31	8
32	4
33	4
34	5
35	1
36	5
37	6
38	4
39	5
40	3
41	6
42	2
43	5
44	7
45	5
46	8
47	4
48	7
49	4
50	7
51	7
52	7
53	10

[0, 1, 0, 1, 1, 1, 3, 3, 2, 3, 2, 2, 3, 3, 0, 3, 1, 4, 2, 3, 3, 1, 6, 3, 4, 4, 5, 3, 2, 5, 4, 8, 4, 4, 5, 1, 5, 6, 4, 5, 3, 6, 2, 5, 7, 5, 8, 4, 7, 4, 7, 7, 7, 10]

cp's OEIS Frontend

A260896 a(n) gives the number of integers m such that there exist k and h with 2n^2 < mk^2 < 2(n+1)^2 and 2n^2 < 2mh^2 < 2(n+1)^2.

Table of values

List of values

n	a(n)
0	0
1	1
2	0
3	1
4	1
5	1
6	3
7	3
8	2
9	3
10	2
11	2
12	3
13	3
14	0
15	3
16	1
17	4
18	2
19	3
20	3
21	1
22	6
23	3
24	4
25	4
26	5
27	3
28	2
29	5
30	4
31	8
32	4
33	4
34	5
35	1
36	5
37	6
38	4
39	5
40	3
41	6
42	2
43	5
44	7
45	5
46	8
47	4
48	7
49	4
50	7
51	7
52	7
53	10

n	a(n)
0	0
1	1
2	0
3	1
4	1
5	1
6	3
7	3
8	2
9	3
10	2
11	2
12	3
13	3
14	0
15	3
16	1
17	4
18	2
19	3
20	3
21	1
22	6
23	3
24	4
25	4
26	5
27	3
28	2
29	5
30	4
31	8
32	4
33	4
34	5
35	1
36	5
37	6
38	4
39	5
40	3
41	6
42	2
43	5
44	7
45	5
46	8
47	4
48	7
49	4
50	7
51	7
52	7
53	10

n	a(n)
0	0
1	1
2	0
3	1
4	1
5	1
6	3
7	3
8	2
9	3
10	2
11	2
12	3
13	3
14	0
15	3
16	1
17	4
18	2
19	3
20	3
21	1
22	6
23	3
24	4
25	4
26	5
27	3
28	2
29	5
30	4
31	8
32	4
33	4
34	5
35	1
36	5
37	6
38	4
39	5
40	3
41	6
42	2
43	5
44	7
45	5
46	8
47	4
48	7
49	4
50	7
51	7
52	7
53	10