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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.

A209880 RATS: Reverse Add Then Sort the digits applied to previous term, starting with 29.

Table of values

n a(n)
1 29
2 112
3 233
4 556
5 1112
6 2233
7 5555
8 1111
9 2222
10 4444
11 8888
12 16777
13 34589
14 112333
15 444455
16 889999
17 1788899
18 1177777
19 4558889
20 13444447
21 77888888
22 156667777
23 233444489
24 1112278888
25 11999
26 11119
27 1223
28 4444
29 8888
30 16777
31 34589
32 112333
33 444455
34 889999
35 1788899

List of values

[29, 112, 233, 556, 1112, 2233, 5555, 1111, 2222, 4444, 8888, 16777, 34589, 112333, 444455, 889999, 1788899, 1177777, 4558889, 13444447, 77888888, 156667777, 233444489, 1112278888, 11999, 11119, 1223, 4444, 8888, 16777, 34589, 112333, 444455, 889999, 1788899]

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

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