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.

A090070 Numbers n such that there are (presumably) nine palindromes in the Reverse and Add! trajectory of n.

Table of values

n a(n)
1 4
2 10
3 11
4 535
5 1000
6 1001
7 10007
8 10101
9 20006
10 30005
11 50003
12 60002
13 70001
14 80000
15 80008
16 100070
17 110060
18 120050
19 130040
20 140030
21 150020
22 160010
23 170000
24 170071
25 200000
26 200002
27 1000003
28 1000150
29 1001001
30 1010050
31 1100140
32 1110040
33 1200130

List of values

[4, 10, 11, 535, 1000, 1001, 10007, 10101, 20006, 30005, 50003, 60002, 70001, 80000, 80008, 100070, 110060, 120050, 130040, 140030, 150020, 160010, 170000, 170071, 200000, 200002, 1000003, 1000150, 1001001, 1010050, 1100140, 1110040, 1200130]

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

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