A277261 - cp's OEIS frontend

A277261 Least k>0 such that phi(Fibonacci(n)) divides phi(Fibonacci(n+k)).

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

[1, 1, 1, 1, 1, 1, 1, 4, 3, 5, 11, 2, 13, 5, 6, 16, 17, 6, 16, 10, 14, 11, 23, 20, 25, 13, 22, 14, 29, 10, 31, 32, 22, 17, 35, 36, 37, 38, 26, 20, 41, 42, 43, 44, 18, 46, 47, 48, 49, 50, 51, 26, 53, 54, 55, 56, 57, 58, 59, 60, 61, 31, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 37, 75, 76, 77, 78, 79, 80, 81, 41]

cp's OEIS Frontend

A277261 Least k>0 such that phi(Fibonacci(n)) divides phi(Fibonacci(n+k)).

Table of values

List of values

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

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

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