A196779 - cp's OEIS frontend

A196779 a(n) is the smallest number m such that no prime takes the form of n^m+/-n^k+/-1, while 0 <= k < m and m > 1.

n	a(n)
5	1147
6	113
7	113
8	400
9	866
10	131
11	399
12	32
13	26
14	29
15	23
16	58
17	77
18	21
19	42
20	3
21	817
22	4
23	2
24	37
25	80
26	29
27	181
28	39
29	120
30	382
31	76
32	5
33	29
34	20
35	48
36	19
37	36
38	7
39	43
40	7
41	62
42	22
43	7
44	43
45	5
46	17
47	23
48	44
49	52
50	137
51	103
52	2
53	5
54	49
55	31
56	10
57	30
58	5
59	25
60	25
61	49
62	10
63	72
64	50
65	13
66	4
67	7
68	6

[1147, 113, 113, 400, 866, 131, 399, 32, 26, 29, 23, 58, 77, 21, 42, 3, 817, 4, 2, 37, 80, 29, 181, 39, 120, 382, 76, 5, 29, 20, 48, 19, 36, 7, 43, 7, 62, 22, 7, 43, 5, 17, 23, 44, 52, 137, 103, 2, 5, 49, 31, 10, 30, 5, 25, 25, 49, 10, 72, 50, 13, 4, 7, 6]

cp's OEIS Frontend

A196779 a(n) is the smallest number m such that no prime takes the form of n^m+/-n^k+/-1, while 0 <= k < m and m > 1.

Table of values

List of values