A350576 - cp's OEIS frontend

A350576 a(n) = n/A055874(n) - A055874(n).

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

[0, -1, 2, 0, 4, -1, 6, 2, 8, 3, 10, -1, 12, 5, 14, 6, 16, 3, 18, 8, 20, 9, 22, 2, 24, 11, 26, 12, 28, 7, 30, 14, 32, 15, 34, 5, 36, 17, 38, 18, 40, 11, 42, 20, 44, 21, 46, 8, 48, 23, 50, 24, 52, 15, 54, 26, 56, 27, 58, 4, 60, 29, 62, 30, 64, 19, 66, 32, 68, 33, 70, 14, 72, 35, 74]

cp's OEIS Frontend

A350576 a(n) = n/A055874(n) - A055874(n).

Table of values

List of values

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

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

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