A332473 - cp's OEIS frontend

A332473 The imaginary part of the sum of unitary divisors function (usigma) generalized for Gaussian integers.

n	a(n)
1	0
2	2
3	0
4	0
5	8
6	8
7	0
8	-8
9	0
10	16
11	0
12	0
13	18
14	16
15	32
16	0
17	22
18	20
19	0
20	-24
21	0
22	24
23	0
24	-32
25	8
26	30
27	0
28	0
29	36
30	64
31	0
32	32
33	0
34	34
35	64
36	0
37	44
38	40
39	72
40	-24
41	50
42	64
43	0
44	0
45	80
46	48
47	0
48	0
49	0
50	-40
51	88
52	-54
53	62
54	56
55	96
56	-64
57	0
58	52
59	0
60	-96
61	72
62	64
63	0
64	0
65	120
66	96
67	0
68	-66
69	0
70	128
71	0

[0, 2, 0, 0, 8, 8, 0, -8, 0, 16, 0, 0, 18, 16, 32, 0, 22, 20, 0, -24, 0, 24, 0, -32, 8, 30, 0, 0, 36, 64, 0, 32, 0, 34, 64, 0, 44, 40, 72, -24, 50, 64, 0, 0, 80, 48, 0, 0, 0, -40, 88, -54, 62, 56, 96, -64, 0, 52, 0, -96, 72, 64, 0, 0, 120, 96, 0, -66, 0, 128, 0]

cp's OEIS Frontend

A332473 The imaginary part of the sum of unitary divisors function (usigma) generalized for Gaussian integers.

Table of values

List of values

n	a(n)
1	0
2	2
3	0
4	0
5	8
6	8
7	0
8	-8
9	0
10	16
11	0
12	0
13	18
14	16
15	32
16	0
17	22
18	20
19	0
20	-24
21	0
22	24
23	0
24	-32
25	8
26	30
27	0
28	0
29	36
30	64
31	0
32	32
33	0
34	34
35	64
36	0
37	44
38	40
39	72
40	-24
41	50
42	64
43	0
44	0
45	80
46	48
47	0
48	0
49	0
50	-40
51	88
52	-54
53	62
54	56
55	96
56	-64
57	0
58	52
59	0
60	-96
61	72
62	64
63	0
64	0
65	120
66	96
67	0
68	-66
69	0
70	128
71	0

n	a(n)
1	0
2	2
3	0
4	0
5	8
6	8
7	0
8	-8
9	0
10	16
11	0
12	0
13	18
14	16
15	32
16	0
17	22
18	20
19	0
20	-24
21	0
22	24
23	0
24	-32
25	8
26	30
27	0
28	0
29	36
30	64
31	0
32	32
33	0
34	34
35	64
36	0
37	44
38	40
39	72
40	-24
41	50
42	64
43	0
44	0
45	80
46	48
47	0
48	0
49	0
50	-40
51	88
52	-54
53	62
54	56
55	96
56	-64
57	0
58	52
59	0
60	-96
61	72
62	64
63	0
64	0
65	120
66	96
67	0
68	-66
69	0
70	128
71	0

n	a(n)
1	0
2	2
3	0
4	0
5	8
6	8
7	0
8	-8
9	0
10	16
11	0
12	0
13	18
14	16
15	32
16	0
17	22
18	20
19	0
20	-24
21	0
22	24
23	0
24	-32
25	8
26	30
27	0
28	0
29	36
30	64
31	0
32	32
33	0
34	34
35	64
36	0
37	44
38	40
39	72
40	-24
41	50
42	64
43	0
44	0
45	80
46	48
47	0
48	0
49	0
50	-40
51	88
52	-54
53	62
54	56
55	96
56	-64
57	0
58	52
59	0
60	-96
61	72
62	64
63	0
64	0
65	120
66	96
67	0
68	-66
69	0
70	128
71	0