A286680 - cp's OEIS frontend

A286680 Smallest nonnegative m such that (1 + n)^(2^m) + n is not prime.

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

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

cp's OEIS Frontend

A286680 Smallest nonnegative m such that (1 + n)^(2^m) + n is not prime.

Table of values

List of values

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

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

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