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.

A115689 Powerful(1) numbers (A001694) whose digit reversal is a square.

Table of values

n a(n)
1 1
2 4
3 9
4 100
5 121
6 144
7 169
8 400
9 441
10 484
11 675
12 676
13 900
14 961
15 1000
16 1089
17 1800
18 4000
19 9000
20 9801
21 10000
22 10201
23 10404
24 10609
25 12100
26 12321
27 12544
28 12769
29 14400
30 14641
31 14884
32 16900
33 18000
34 18252
35 40000
36 40401
37 40804
38 44100
39 44521
40 44944

List of values

[1, 4, 9, 100, 121, 144, 169, 400, 441, 484, 675, 676, 900, 961, 1000, 1089, 1800, 4000, 9000, 9801, 10000, 10201, 10404, 10609, 12100, 12321, 12544, 12769, 14400, 14641, 14884, 16900, 18000, 18252, 40000, 40401, 40804, 44100, 44521, 44944]

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

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