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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.

A278328 Numbers n such that abs(n - rev(n)) is a square, where rev(n) is the decimal reverse of n (A004086).

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 8
10 9
11 10
12 11
13 12
14 15
15 21
16 22
17 23
18 26
19 32
20 33
21 34
22 37
23 40
24 43
25 44
26 45
27 48
28 51
29 54
30 55
31 56
32 59
33 62
34 65
35 66
36 67
37 73
38 76
39 77
40 78
41 84
42 87
43 88
44 89
45 90
46 95
47 98
48 99
49 101
50 111
51 121
52 131
53 141
54 151
55 161
56 171
57 181
58 191
59 202
60 212
61 222
62 232
63 242
64 252
65 262

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15, 21, 22, 23, 26, 32, 33, 34, 37, 40, 43, 44, 45, 48, 51, 54, 55, 56, 59, 62, 65, 66, 67, 73, 76, 77, 78, 84, 87, 88, 89, 90, 95, 98, 99, 101, 111, 121, 131, 141, 151, 161, 171, 181, 191, 202, 212, 222, 232, 242, 252, 262]

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

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