A375642 - cp's OEIS frontend

A375642 a(n) is the number of i for which n - Fibonacci(i) is prime.

n	a(n)
1	0
2	1
3	3
4	3
5	3
6	3
7	3
8	4
9	1
10	3
11	2
12	3
13	3
14	3
15	3
16	3
17	1
18	4
19	3
20	4
21	2
22	2
23	2
24	5
25	2
26	3
27	1
28	2
29	1
30	3
31	3
32	5
33	1
34	3
35	0
36	3
37	3
38	3
39	3
40	2
41	2
42	4
43	2
44	5
45	3
46	2
47	2
48	3
49	2
50	3
51	2
52	2
53	2
54	3
55	2
56	2
57	2
58	3
59	1
60	4
61	3
62	5
63	2
64	3
65	1
66	3
67	2
68	4
69	2
70	1
71	2
72	5
73	2
74	6
75	3
76	2
77	1
78	2
79	2
80	4
81	3
82	2
83	1
84	5
85	1
86	3
87	2
88	2
89	1
90	2
91	3
92	5
93	1
94	3
95	1
96	3
97	2
98	3
99	1

[0, 1, 3, 3, 3, 3, 3, 4, 1, 3, 2, 3, 3, 3, 3, 3, 1, 4, 3, 4, 2, 2, 2, 5, 2, 3, 1, 2, 1, 3, 3, 5, 1, 3, 0, 3, 3, 3, 3, 2, 2, 4, 2, 5, 3, 2, 2, 3, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 1, 4, 3, 5, 2, 3, 1, 3, 2, 4, 2, 1, 2, 5, 2, 6, 3, 2, 1, 2, 2, 4, 3, 2, 1, 5, 1, 3, 2, 2, 1, 2, 3, 5, 1, 3, 1, 3, 2, 3, 1]

cp's OEIS Frontend

A375642 a(n) is the number of i for which n - Fibonacci(i) is prime.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	3
5	3
6	3
7	3
8	4
9	1
10	3
11	2
12	3
13	3
14	3
15	3
16	3
17	1
18	4
19	3
20	4
21	2
22	2
23	2
24	5
25	2
26	3
27	1
28	2
29	1
30	3
31	3
32	5
33	1
34	3
35	0
36	3
37	3
38	3
39	3
40	2
41	2
42	4
43	2
44	5
45	3
46	2
47	2
48	3
49	2
50	3
51	2
52	2
53	2
54	3
55	2
56	2
57	2
58	3
59	1
60	4
61	3
62	5
63	2
64	3
65	1
66	3
67	2
68	4
69	2
70	1
71	2
72	5
73	2
74	6
75	3
76	2
77	1
78	2
79	2
80	4
81	3
82	2
83	1
84	5
85	1
86	3
87	2
88	2
89	1
90	2
91	3
92	5
93	1
94	3
95	1
96	3
97	2
98	3
99	1

n	a(n)
1	0
2	1
3	3
4	3
5	3
6	3
7	3
8	4
9	1
10	3
11	2
12	3
13	3
14	3
15	3
16	3
17	1
18	4
19	3
20	4
21	2
22	2
23	2
24	5
25	2
26	3
27	1
28	2
29	1
30	3
31	3
32	5
33	1
34	3
35	0
36	3
37	3
38	3
39	3
40	2
41	2
42	4
43	2
44	5
45	3
46	2
47	2
48	3
49	2
50	3
51	2
52	2
53	2
54	3
55	2
56	2
57	2
58	3
59	1
60	4
61	3
62	5
63	2
64	3
65	1
66	3
67	2
68	4
69	2
70	1
71	2
72	5
73	2
74	6
75	3
76	2
77	1
78	2
79	2
80	4
81	3
82	2
83	1
84	5
85	1
86	3
87	2
88	2
89	1
90	2
91	3
92	5
93	1
94	3
95	1
96	3
97	2
98	3
99	1

n	a(n)
1	0
2	1
3	3
4	3
5	3
6	3
7	3
8	4
9	1
10	3
11	2
12	3
13	3
14	3
15	3
16	3
17	1
18	4
19	3
20	4
21	2
22	2
23	2
24	5
25	2
26	3
27	1
28	2
29	1
30	3
31	3
32	5
33	1
34	3
35	0
36	3
37	3
38	3
39	3
40	2
41	2
42	4
43	2
44	5
45	3
46	2
47	2
48	3
49	2
50	3
51	2
52	2
53	2
54	3
55	2
56	2
57	2
58	3
59	1
60	4
61	3
62	5
63	2
64	3
65	1
66	3
67	2
68	4
69	2
70	1
71	2
72	5
73	2
74	6
75	3
76	2
77	1
78	2
79	2
80	4
81	3
82	2
83	1
84	5
85	1
86	3
87	2
88	2
89	1
90	2
91	3
92	5
93	1
94	3
95	1
96	3
97	2
98	3
99	1