A232705 - cp's OEIS frontend

A232705 Number of Gaussian integers z satisfying (n-1)/2 < |z| < n/2.

n	a(n)
1	0
2	0
3	4
4	0
5	8
6	4
7	8
8	8
9	20
10	0
11	16
12	12
13	24
14	8
15	28
16	16
17	28
18	24
19	40
20	12
21	32
22	24
23	44
24	16
25	48
26	28
27	48
28	32
29	52
30	32
31	40
32	44
33	64
34	28
35	72
36	32
37	76
38	40
39	72
40	44
41	56
42	56
43	84
44	56
45	80
46	52
47	88
48	48
49	92
50	56
51	92
52	56
53	96
54	68
55	88
56	72
57	108
58	56
59	104
60	76
61	112
62	64
63	124
64	80
65	104
66	92
67	112
68	92
69	120
70	96
71	116
72	80
73	144
74	84

[0, 0, 4, 0, 8, 4, 8, 8, 20, 0, 16, 12, 24, 8, 28, 16, 28, 24, 40, 12, 32, 24, 44, 16, 48, 28, 48, 32, 52, 32, 40, 44, 64, 28, 72, 32, 76, 40, 72, 44, 56, 56, 84, 56, 80, 52, 88, 48, 92, 56, 92, 56, 96, 68, 88, 72, 108, 56, 104, 76, 112, 64, 124, 80, 104, 92, 112, 92, 120, 96, 116, 80, 144, 84]

cp's OEIS Frontend

A232705 Number of Gaussian integers z satisfying (n-1)/2 < |z| < n/2.

Table of values

List of values

n	a(n)
1	0
2	0
3	4
4	0
5	8
6	4
7	8
8	8
9	20
10	0
11	16
12	12
13	24
14	8
15	28
16	16
17	28
18	24
19	40
20	12
21	32
22	24
23	44
24	16
25	48
26	28
27	48
28	32
29	52
30	32
31	40
32	44
33	64
34	28
35	72
36	32
37	76
38	40
39	72
40	44
41	56
42	56
43	84
44	56
45	80
46	52
47	88
48	48
49	92
50	56
51	92
52	56
53	96
54	68
55	88
56	72
57	108
58	56
59	104
60	76
61	112
62	64
63	124
64	80
65	104
66	92
67	112
68	92
69	120
70	96
71	116
72	80
73	144
74	84

n	a(n)
1	0
2	0
3	4
4	0
5	8
6	4
7	8
8	8
9	20
10	0
11	16
12	12
13	24
14	8
15	28
16	16
17	28
18	24
19	40
20	12
21	32
22	24
23	44
24	16
25	48
26	28
27	48
28	32
29	52
30	32
31	40
32	44
33	64
34	28
35	72
36	32
37	76
38	40
39	72
40	44
41	56
42	56
43	84
44	56
45	80
46	52
47	88
48	48
49	92
50	56
51	92
52	56
53	96
54	68
55	88
56	72
57	108
58	56
59	104
60	76
61	112
62	64
63	124
64	80
65	104
66	92
67	112
68	92
69	120
70	96
71	116
72	80
73	144
74	84

n	a(n)
1	0
2	0
3	4
4	0
5	8
6	4
7	8
8	8
9	20
10	0
11	16
12	12
13	24
14	8
15	28
16	16
17	28
18	24
19	40
20	12
21	32
22	24
23	44
24	16
25	48
26	28
27	48
28	32
29	52
30	32
31	40
32	44
33	64
34	28
35	72
36	32
37	76
38	40
39	72
40	44
41	56
42	56
43	84
44	56
45	80
46	52
47	88
48	48
49	92
50	56
51	92
52	56
53	96
54	68
55	88
56	72
57	108
58	56
59	104
60	76
61	112
62	64
63	124
64	80
65	104
66	92
67	112
68	92
69	120
70	96
71	116
72	80
73	144
74	84