A205780 - cp's OEIS frontend

A205780 Least positive integer k such that n divides C(k)-C(j) for some j in [1,k-1], where C=A007598 (squared Fibonacci numbers).

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

[2, 3, 2, 3, 3, 4, 4, 3, 5, 5, 5, 4, 5, 6, 5, 4, 7, 6, 7, 5, 4, 7, 7, 4, 9, 7, 7, 6, 7, 5, 8, 6, 6, 7, 6, 6, 8, 9, 5, 6, 10, 6, 10, 7, 10, 10, 8, 6, 11, 9, 9, 7, 9, 7, 5, 6, 9, 9, 12, 5, 13, 13, 5, 8, 8, 10, 19, 7, 12, 13, 11, 6, 11, 19, 9, 9, 8, 8, 23, 6, 10, 12, 22, 6, 10, 10, 8, 7, 9]

cp's OEIS Frontend

A205780 Least positive integer k such that n divides C(k)-C(j) for some j in [1,k-1], where C=A007598 (squared Fibonacci numbers).

Table of values

List of values

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

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

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