A248346 - cp's OEIS frontend

A248346 Primes of the form 2^x - y^2, with y^2 < 2^x.

n	a(n)
1	2
2	3
3	7
4	23
5	31
6	47
7	71
8	79
9	103
10	127
11	151
12	199
13	223
14	271
15	367
16	431
17	463
18	487
19	503
20	727
21	751
22	823
23	967
24	1087
25	1303
26	1319
27	1423
28	1439
29	1559
30	1607
31	1759
32	1823
33	1879
34	1951
35	1999
36	2039
37	2143
38	3343
39	3527
40	3623
41	3967
42	4447
43	4943
44	5167
45	5503
46	5591
47	5791
48	6199
49	6343

[2, 3, 7, 23, 31, 47, 71, 79, 103, 127, 151, 199, 223, 271, 367, 431, 463, 487, 503, 727, 751, 823, 967, 1087, 1303, 1319, 1423, 1439, 1559, 1607, 1759, 1823, 1879, 1951, 1999, 2039, 2143, 3343, 3527, 3623, 3967, 4447, 4943, 5167, 5503, 5591, 5791, 6199, 6343]

cp's OEIS Frontend

A248346 Primes of the form 2^x - y^2, with y^2 < 2^x.

Table of values

List of values