A277886 - cp's OEIS frontend

A277886 If n is squarefree, a(n) = n, else a(n) = A000040(1+A277885(n)) * (n/(A249739(n)^2)).

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

[1, 2, 3, 3, 5, 6, 7, 6, 5, 10, 11, 9, 13, 14, 15, 12, 17, 10, 19, 15, 21, 22, 23, 18, 7, 26, 15, 21, 29, 30, 31, 24, 33, 34, 35, 27, 37, 38, 39, 30, 41, 42, 43, 33, 25, 46, 47, 36, 11, 14, 51, 39, 53, 30, 55, 42, 57, 58, 59, 45, 61, 62, 35, 48, 65, 66, 67, 51, 69, 70, 71, 54, 73, 74, 21, 57, 77, 78, 79, 60, 45]

cp's OEIS Frontend

A277886 If n is squarefree, a(n) = n, else a(n) = A000040(1+A277885(n)) * (n/(A249739(n)^2)).

Table of values

List of values

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

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

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