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.

A342481 Prime numbers whose binary expansion involves powers of 2 with only composite (or zero) exponents.

Table of values

n a(n)
1 17
2 257
3 337
4 577
5 593
6 769
7 1297
8 1361
9 1553
10 1601
11 1873
12 4177
13 4673
14 5393
15 5441
16 5953
17 16657
18 17489
19 17681
20 17729
21 17921
22 18257
23 20753
24 21313
25 21521
26 21569
27 21841
28 22273
29 32833
30 33601
31 33617
32 33809
33 33857
34 34129
35 34369
36 36929
37 37201
38 37441
39 37633
40 37649
41 37889
42 38737

List of values

[17, 257, 337, 577, 593, 769, 1297, 1361, 1553, 1601, 1873, 4177, 4673, 5393, 5441, 5953, 16657, 17489, 17681, 17729, 17921, 18257, 20753, 21313, 21521, 21569, 21841, 22273, 32833, 33601, 33617, 33809, 33857, 34129, 34369, 36929, 37201, 37441, 37633, 37649, 37889, 38737]

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

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