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.

A115686 Powerful(1) numbers (A001694) whose digit reversal is a prime number.

Table of values

n a(n)
1 16
2 32
3 125
4 128
5 196
6 200
7 361
8 392
9 500
10 784
11 1024
12 1352
13 1369
14 1372
15 1444
16 1600
17 1681
18 2000
19 3200
20 3844
21 5000
22 7225
23 7688
24 7921
25 9025
26 9248
27 9409
28 9800
29 10976
30 11236
31 12500
32 12800
33 13448
34 14161
35 14792
36 16000
37 18496
38 19321
39 19600
40 20000

List of values

[16, 32, 125, 128, 196, 200, 361, 392, 500, 784, 1024, 1352, 1369, 1372, 1444, 1600, 1681, 2000, 3200, 3844, 5000, 7225, 7688, 7921, 9025, 9248, 9409, 9800, 10976, 11236, 12500, 12800, 13448, 14161, 14792, 16000, 18496, 19321, 19600, 20000]

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

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