A326050 - cp's OEIS frontend

A326050 a(n) = A082052(n) - n, where A082052 is the sum of divisors of n that are not of the form 4k+1.

n	a(n)
1	-1
2	0
3	0
4	2
5	-5
6	5
7	0
8	6
9	-6
10	2
11	0
12	15
13	-13
14	9
15	3
16	14
17	-17
18	11
19	0
20	16
21	-11
22	13
23	0
24	35
25	-25
26	2
27	3
28	27
29	-29
30	36
31	0
32	30
33	-19
34	2
35	7
36	45
37	-37
38	21
39	3
40	44
41	-41
42	32
43	0
44	39
45	-27
46	25
47	0
48	75
49	-42
50	12
51	3
52	32
53	-53
54	56
55	11
56	63
57	-35
58	2
59	0
60	102
61	-61
62	33
63	10
64	62
65	-65
66	44
67	0
68	40
69	-43
70	68
71	0
72	113
73	-73
74	2
75	18
76	63
77	-59
78	76
79	0
80	100
81	-51
82	2
83	0
84	118
85	-85
86	45
87	3

[-1, 0, 0, 2, -5, 5, 0, 6, -6, 2, 0, 15, -13, 9, 3, 14, -17, 11, 0, 16, -11, 13, 0, 35, -25, 2, 3, 27, -29, 36, 0, 30, -19, 2, 7, 45, -37, 21, 3, 44, -41, 32, 0, 39, -27, 25, 0, 75, -42, 12, 3, 32, -53, 56, 11, 63, -35, 2, 0, 102, -61, 33, 10, 62, -65, 44, 0, 40, -43, 68, 0, 113, -73, 2, 18, 63, -59, 76, 0, 100, -51, 2, 0, 118, -85, 45, 3]

cp's OEIS Frontend

A326050 a(n) = A082052(n) - n, where A082052 is the sum of divisors of n that are not of the form 4k+1.

Table of values

List of values

n	a(n)
1	-1
2	0
3	0
4	2
5	-5
6	5
7	0
8	6
9	-6
10	2
11	0
12	15
13	-13
14	9
15	3
16	14
17	-17
18	11
19	0
20	16
21	-11
22	13
23	0
24	35
25	-25
26	2
27	3
28	27
29	-29
30	36
31	0
32	30
33	-19
34	2
35	7
36	45
37	-37
38	21
39	3
40	44
41	-41
42	32
43	0
44	39
45	-27
46	25
47	0
48	75
49	-42
50	12
51	3
52	32
53	-53
54	56
55	11
56	63
57	-35
58	2
59	0
60	102
61	-61
62	33
63	10
64	62
65	-65
66	44
67	0
68	40
69	-43
70	68
71	0
72	113
73	-73
74	2
75	18
76	63
77	-59
78	76
79	0
80	100
81	-51
82	2
83	0
84	118
85	-85
86	45
87	3

n	a(n)
1	-1
2	0
3	0
4	2
5	-5
6	5
7	0
8	6
9	-6
10	2
11	0
12	15
13	-13
14	9
15	3
16	14
17	-17
18	11
19	0
20	16
21	-11
22	13
23	0
24	35
25	-25
26	2
27	3
28	27
29	-29
30	36
31	0
32	30
33	-19
34	2
35	7
36	45
37	-37
38	21
39	3
40	44
41	-41
42	32
43	0
44	39
45	-27
46	25
47	0
48	75
49	-42
50	12
51	3
52	32
53	-53
54	56
55	11
56	63
57	-35
58	2
59	0
60	102
61	-61
62	33
63	10
64	62
65	-65
66	44
67	0
68	40
69	-43
70	68
71	0
72	113
73	-73
74	2
75	18
76	63
77	-59
78	76
79	0
80	100
81	-51
82	2
83	0
84	118
85	-85
86	45
87	3

n	a(n)
1	-1
2	0
3	0
4	2
5	-5
6	5
7	0
8	6
9	-6
10	2
11	0
12	15
13	-13
14	9
15	3
16	14
17	-17
18	11
19	0
20	16
21	-11
22	13
23	0
24	35
25	-25
26	2
27	3
28	27
29	-29
30	36
31	0
32	30
33	-19
34	2
35	7
36	45
37	-37
38	21
39	3
40	44
41	-41
42	32
43	0
44	39
45	-27
46	25
47	0
48	75
49	-42
50	12
51	3
52	32
53	-53
54	56
55	11
56	63
57	-35
58	2
59	0
60	102
61	-61
62	33
63	10
64	62
65	-65
66	44
67	0
68	40
69	-43
70	68
71	0
72	113
73	-73
74	2
75	18
76	63
77	-59
78	76
79	0
80	100
81	-51
82	2
83	0
84	118
85	-85
86	45
87	3