A276717 - cp's OEIS frontend

A276717 Least prime p < n^2 such that n^2 - p = x^k for some integers x > 1 and k > 1, or 1 if such a prime p does not exist.

n	a(n)
1	1
2	1
3	5
4	7
5	17
6	11
7	13
8	37
9	17
10	19
11	89
12	19
13	41
14	71
15	29
16	13
17	73
18	199
19	37
20	157
21	41
22	43
23	17
24	47
25	113
26	433
27	53
28	541
29	809
30	59
31	61
32	997
33	89
34	67
35	1009
36	71
37	73
38	113
39	521
40	79
41	1553
42	83
43	1721
44	1693
45	89
46	1873
47	1697
48	107
49	97
50	313
51	101
52	103
53	761
54	107
55	109
56	11
57	113
58	239
59	1433
60	2269

[1, 1, 5, 7, 17, 11, 13, 37, 17, 19, 89, 19, 41, 71, 29, 13, 73, 199, 37, 157, 41, 43, 17, 47, 113, 433, 53, 541, 809, 59, 61, 997, 89, 67, 1009, 71, 73, 113, 521, 79, 1553, 83, 1721, 1693, 89, 1873, 1697, 107, 97, 313, 101, 103, 761, 107, 109, 11, 113, 239, 1433, 2269]

cp's OEIS Frontend

A276717 Least prime p < n^2 such that n^2 - p = x^k for some integers x > 1 and k > 1, or 1 if such a prime p does not exist.

Table of values

List of values