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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.

A174397 Sum of any three adjacent digits of n^2 is a square.

Table of values

n a(n)
1 10
2 11
3 12
4 13
5 14
6 15
7 18
8 20
9 21
10 22
11 23
12 30
13 31
14 90
15 100
16 200
17 263
18 265
19 300
20 900
21 985
22 1000
23 1002
24 2000
25 2001
26 3000
27 5265
28 9000
29 10000
30 10002
31 10020
32 20000
33 20001
34 20010
35 30000
36 90000
37 100000
38 100002
39 100020
40 100200
41 200000
42 200001
43 200010
44 200100
45 262987
46 300000
47 900000
48 1000000
49 1000002
50 1000020
51 1000200
52 1002000
53 2000000
54 2000001
55 2000010
56 2000100
57 2001000
58 2001002
59 3000000

List of values

[10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 23, 30, 31, 90, 100, 200, 263, 265, 300, 900, 985, 1000, 1002, 2000, 2001, 3000, 5265, 9000, 10000, 10002, 10020, 20000, 20001, 20010, 30000, 90000, 100000, 100002, 100020, 100200, 200000, 200001, 200010, 200100, 262987, 300000, 900000, 1000000, 1000002, 1000020, 1000200, 1002000, 2000000, 2000001, 2000010, 2000100, 2001000, 2001002, 3000000]

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

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