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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.

A179055 Numbers k such that the product of all numbers formed by cyclically permuting digits of k is a square.

Table of values

n a(n)
1 1
2 4
3 9
4 11
5 22
6 33
7 44
8 55
9 66
10 77
11 88
12 99
13 243
14 324
15 432
16 567
17 675
18 756
19 1000
20 1010
21 1020
22 1030
23 1040
24 1050
25 1060
26 1070
27 1080
28 1090
29 1111
30 1212
31 1313
32 1414
33 1515
34 1616
35 1717
36 1818
37 1919
38 2000
39 2010
40 2020
41 2030
42 2040
43 2050
44 2060
45 2070
46 2080
47 2090
48 2121
49 2222
50 2323
51 2424

List of values

[1, 4, 9, 11, 22, 33, 44, 55, 66, 77, 88, 99, 243, 324, 432, 567, 675, 756, 1000, 1010, 1020, 1030, 1040, 1050, 1060, 1070, 1080, 1090, 1111, 1212, 1313, 1414, 1515, 1616, 1717, 1818, 1919, 2000, 2010, 2020, 2030, 2040, 2050, 2060, 2070, 2080, 2090, 2121, 2222, 2323, 2424]

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

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