A103229 - cp's OEIS frontend

A103229 Imaginary part of the sum of divisors function sigma(n) generalized for Gaussian integers.

n	a(n)
1	0
2	3
3	0
4	5
5	8
6	12
7	0
8	-7
9	0
10	28
11	0
12	20
13	18
14	24
15	32
16	-15
17	22
18	39
19	0
20	-12
21	0
22	36
23	0
24	-28
25	31
26	54
27	0
28	40
29	36
30	112
31	0
32	33
33	0
34	62
35	64
36	65
37	44
38	60
39	72
40	-92
41	50
42	96
43	0
44	60
45	104
46	72
47	0
48	-60
49	0
50	-46
51	88
52	-42
53	62
54	120
55	96
56	-56
57	0
58	96
59	0
60	-48
61	72
62	96
63	0
64	65
65	120
66	144
67	0
68	-58
69	0
70	224
71	0
72	-91
73	84
74	112
75	124
76	100
77	0
78	216
79	0
80	68
81	0
82	130
83	0
84	160
85	136

[0, 3, 0, 5, 8, 12, 0, -7, 0, 28, 0, 20, 18, 24, 32, -15, 22, 39, 0, -12, 0, 36, 0, -28, 31, 54, 0, 40, 36, 112, 0, 33, 0, 62, 64, 65, 44, 60, 72, -92, 50, 96, 0, 60, 104, 72, 0, -60, 0, -46, 88, -42, 62, 120, 96, -56, 0, 96, 0, -48, 72, 96, 0, 65, 120, 144, 0, -58, 0, 224, 0, -91, 84, 112, 124, 100, 0, 216, 0, 68, 0, 130, 0, 160, 136]

cp's OEIS Frontend

A103229 Imaginary part of the sum of divisors function sigma(n) generalized for Gaussian integers.

Table of values

List of values

n	a(n)
1	0
2	3
3	0
4	5
5	8
6	12
7	0
8	-7
9	0
10	28
11	0
12	20
13	18
14	24
15	32
16	-15
17	22
18	39
19	0
20	-12
21	0
22	36
23	0
24	-28
25	31
26	54
27	0
28	40
29	36
30	112
31	0
32	33
33	0
34	62
35	64
36	65
37	44
38	60
39	72
40	-92
41	50
42	96
43	0
44	60
45	104
46	72
47	0
48	-60
49	0
50	-46
51	88
52	-42
53	62
54	120
55	96
56	-56
57	0
58	96
59	0
60	-48
61	72
62	96
63	0
64	65
65	120
66	144
67	0
68	-58
69	0
70	224
71	0
72	-91
73	84
74	112
75	124
76	100
77	0
78	216
79	0
80	68
81	0
82	130
83	0
84	160
85	136

n	a(n)
1	0
2	3
3	0
4	5
5	8
6	12
7	0
8	-7
9	0
10	28
11	0
12	20
13	18
14	24
15	32
16	-15
17	22
18	39
19	0
20	-12
21	0
22	36
23	0
24	-28
25	31
26	54
27	0
28	40
29	36
30	112
31	0
32	33
33	0
34	62
35	64
36	65
37	44
38	60
39	72
40	-92
41	50
42	96
43	0
44	60
45	104
46	72
47	0
48	-60
49	0
50	-46
51	88
52	-42
53	62
54	120
55	96
56	-56
57	0
58	96
59	0
60	-48
61	72
62	96
63	0
64	65
65	120
66	144
67	0
68	-58
69	0
70	224
71	0
72	-91
73	84
74	112
75	124
76	100
77	0
78	216
79	0
80	68
81	0
82	130
83	0
84	160
85	136

n	a(n)
1	0
2	3
3	0
4	5
5	8
6	12
7	0
8	-7
9	0
10	28
11	0
12	20
13	18
14	24
15	32
16	-15
17	22
18	39
19	0
20	-12
21	0
22	36
23	0
24	-28
25	31
26	54
27	0
28	40
29	36
30	112
31	0
32	33
33	0
34	62
35	64
36	65
37	44
38	60
39	72
40	-92
41	50
42	96
43	0
44	60
45	104
46	72
47	0
48	-60
49	0
50	-46
51	88
52	-42
53	62
54	120
55	96
56	-56
57	0
58	96
59	0
60	-48
61	72
62	96
63	0
64	65
65	120
66	144
67	0
68	-58
69	0
70	224
71	0
72	-91
73	84
74	112
75	124
76	100
77	0
78	216
79	0
80	68
81	0
82	130
83	0
84	160
85	136