cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A307503 Least prime containing at least n consecutive 1's in its binary representation.

Table of values

n a(n)
0 2
1 2
2 3
3 7
4 31
5 31
6 127
7 127
8 1021
9 3583
10 4093
11 6143
12 8191
13 8191
14 81919
15 131071
16 131071
17 131071
18 524287
19 524287
20 4194301
21 14680063
22 16777213
23 67108859
24 536870909
25 536870909
26 536870909
27 536870909
28 2147483647
29 2147483647
30 2147483647
31 2147483647
32 21474836479

List of values

[2, 2, 3, 7, 31, 31, 127, 127, 1021, 3583, 4093, 6143, 8191, 8191, 81919, 131071, 131071, 131071, 524287, 524287, 4194301, 14680063, 16777213, 67108859, 536870909, 536870909, 536870909, 536870909, 2147483647, 2147483647, 2147483647, 2147483647, 21474836479]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.