A333462 - cp's OEIS frontend

A333462 a(n) is the number of Gaussian integers z such that (n-1)/2 < |z| <= n/2, divided by 4.

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

[0, 1, 1, 1, 2, 2, 2, 3, 5, 3, 4, 4, 6, 3, 7, 5, 7, 7, 10, 6, 8, 7, 11, 5, 12, 10, 12, 9, 13, 11, 10, 12, 16, 10, 18, 9, 19, 11, 18, 14, 14, 15, 21, 15, 20, 14, 22, 13, 23, 19, 23, 17, 24, 18, 22, 19, 27, 17, 26, 22, 28, 17, 31, 21, 26, 24, 28, 26, 30, 27, 29, 21]

cp's OEIS Frontend

A333462 a(n) is the number of Gaussian integers z such that (n-1)/2 < |z| <= n/2, divided by 4.

Table of values

List of values

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

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

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