A295885 - cp's OEIS frontend

A295885 Filter combining sum of proper divisors (A001065) and cototient (A051953) of n.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	5
10	6
11	1
12	7
13	1
14	8
15	9
16	10
17	1
18	11
19	1
20	12
21	13
22	14
23	1
24	15
25	16
26	17
27	18
28	19
29	1
30	20
31	1
32	21
33	22
34	23
35	24
36	25
37	1
38	26
39	27
40	28
41	1
42	29
43	1
44	30
45	31
46	32
47	1
48	33
49	34
50	35
51	36
52	37
53	1
54	38
55	27
56	39
57	40
58	41
59	1
60	42
61	1
62	43
63	44
64	45
65	46
66	47
67	1
68	48
69	49
70	50
71	1
72	51
73	1
74	52
75	53
76	54
77	46
78	55
79	1
80	56
81	57
82	58
83	1
84	59
85	40
86	60
87	61
88	62
89	1
90	63
91	36

[1, 1, 1, 2, 1, 3, 1, 4, 5, 6, 1, 7, 1, 8, 9, 10, 1, 11, 1, 12, 13, 14, 1, 15, 16, 17, 18, 19, 1, 20, 1, 21, 22, 23, 24, 25, 1, 26, 27, 28, 1, 29, 1, 30, 31, 32, 1, 33, 34, 35, 36, 37, 1, 38, 27, 39, 40, 41, 1, 42, 1, 43, 44, 45, 46, 47, 1, 48, 49, 50, 1, 51, 1, 52, 53, 54, 46, 55, 1, 56, 57, 58, 1, 59, 40, 60, 61, 62, 1, 63, 36]

cp's OEIS Frontend

A295885 Filter combining sum of proper divisors (A001065) and cototient (A051953) of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	5
10	6
11	1
12	7
13	1
14	8
15	9
16	10
17	1
18	11
19	1
20	12
21	13
22	14
23	1
24	15
25	16
26	17
27	18
28	19
29	1
30	20
31	1
32	21
33	22
34	23
35	24
36	25
37	1
38	26
39	27
40	28
41	1
42	29
43	1
44	30
45	31
46	32
47	1
48	33
49	34
50	35
51	36
52	37
53	1
54	38
55	27
56	39
57	40
58	41
59	1
60	42
61	1
62	43
63	44
64	45
65	46
66	47
67	1
68	48
69	49
70	50
71	1
72	51
73	1
74	52
75	53
76	54
77	46
78	55
79	1
80	56
81	57
82	58
83	1
84	59
85	40
86	60
87	61
88	62
89	1
90	63
91	36

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	5
10	6
11	1
12	7
13	1
14	8
15	9
16	10
17	1
18	11
19	1
20	12
21	13
22	14
23	1
24	15
25	16
26	17
27	18
28	19
29	1
30	20
31	1
32	21
33	22
34	23
35	24
36	25
37	1
38	26
39	27
40	28
41	1
42	29
43	1
44	30
45	31
46	32
47	1
48	33
49	34
50	35
51	36
52	37
53	1
54	38
55	27
56	39
57	40
58	41
59	1
60	42
61	1
62	43
63	44
64	45
65	46
66	47
67	1
68	48
69	49
70	50
71	1
72	51
73	1
74	52
75	53
76	54
77	46
78	55
79	1
80	56
81	57
82	58
83	1
84	59
85	40
86	60
87	61
88	62
89	1
90	63
91	36

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	5
10	6
11	1
12	7
13	1
14	8
15	9
16	10
17	1
18	11
19	1
20	12
21	13
22	14
23	1
24	15
25	16
26	17
27	18
28	19
29	1
30	20
31	1
32	21
33	22
34	23
35	24
36	25
37	1
38	26
39	27
40	28
41	1
42	29
43	1
44	30
45	31
46	32
47	1
48	33
49	34
50	35
51	36
52	37
53	1
54	38
55	27
56	39
57	40
58	41
59	1
60	42
61	1
62	43
63	44
64	45
65	46
66	47
67	1
68	48
69	49
70	50
71	1
72	51
73	1
74	52
75	53
76	54
77	46
78	55
79	1
80	56
81	57
82	58
83	1
84	59
85	40
86	60
87	61
88	62
89	1
90	63
91	36