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.

A253914 Numbers that can be represented as both a^x + x and b^y + b, for some a, b, x, y > 1.

Table of values

n a(n)
1 6
2 18
3 20
4 30
5 66
6 258
7 260
8 732
9 1026
10 3130
11 4098
12 4100
13 16386
14 19686
15 46662
16 65538
17 65540
18 65552
19 262146
20 531444
21 823550
22 1048578
23 1048580
24 4194306
25 9765630
26 14348910
27 16777218
28 16777220
29 16777224
30 67108866
31 268435458
32 268435460
33 387420492
34 387420498
35 1073741826

List of values

[6, 18, 20, 30, 66, 258, 260, 732, 1026, 3130, 4098, 4100, 16386, 19686, 46662, 65538, 65540, 65552, 262146, 531444, 823550, 1048578, 1048580, 4194306, 9765630, 14348910, 16777218, 16777220, 16777224, 67108866, 268435458, 268435460, 387420492, 387420498, 1073741826]

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

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