A214787 - cp's OEIS frontend

A214787 a(n) is the smallest k>=2 such that n divides Fibonacci(k-1)+5, or zero if no such k exists.

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

[2, 2, 2, 5, 6, 2, 4, 5, 8, 6, 0, 11, 7, 14, 11, 17, 14, 8, 0, 11, 0, 0, 20, 0, 46, 9, 32, 0, 0, 11, 17, 17, 0, 14, 36, 0, 34, 0, 10, 41, 16, 0, 23, 0, 56, 20, 12, 0, 52, 56, 24, 35, 50, 32, 0, 0, 0, 0, 0, 11, 26, 17, 0, 65]

cp's OEIS Frontend

A214787 a(n) is the smallest k>=2 such that n divides Fibonacci(k-1)+5, or zero if no such k exists.

Table of values

List of values

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

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

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