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.

A305231 Numbers that are the product of some integer and its digit reversal.

Table of values

n a(n)
1 0
2 1
3 4
4 9
5 10
6 16
7 25
8 36
9 40
10 49
11 64
12 81
13 90
14 100
15 121
16 160
17 250
18 252
19 360
20 400
21 403
22 484
23 490
24 574
25 640
26 736
27 765
28 810
29 900
30 976
31 1000
32 1008
33 1089
34 1207
35 1210
36 1300
37 1458
38 1462
39 1600
40 1612
41 1729
42 1855
43 1936
44 1944
45 2268
46 2296
47 2430
48 2500
49 2520
50 2668
51 2701

List of values

[0, 1, 4, 9, 10, 16, 25, 36, 40, 49, 64, 81, 90, 100, 121, 160, 250, 252, 360, 400, 403, 484, 490, 574, 640, 736, 765, 810, 900, 976, 1000, 1008, 1089, 1207, 1210, 1300, 1458, 1462, 1600, 1612, 1729, 1855, 1936, 1944, 2268, 2296, 2430, 2500, 2520, 2668, 2701]

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

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