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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.

A165441 Table T(k,n) read by antidiagonals: denominator of 1/min(n,k)^2 -1/max(n,k)^2.

Table of values

n a(n)
1 1
2 4
3 4
4 9
5 1
6 9
7 16
8 36
9 36
10 16
11 25
12 16
13 1
14 16
15 25
16 36
17 100
18 144
19 144
20 100
21 36
22 49
23 9
24 225
25 1
26 225
27 9
28 49
29 64
30 196
31 12
32 400
33 400
34 12
35 196
36 64
37 81
38 64
39 441
40 144
41 1
42 144
43 441
44 64
45 81
46 100
47 324
48 576
49 784
50 900
51 900
52 784
53 576
54 324
55 100
56 121
57 25
58 81
59 64
60 1225
61 1
62 1225
63 64
64 81
65 25
66 121

List of values

[1, 4, 4, 9, 1, 9, 16, 36, 36, 16, 25, 16, 1, 16, 25, 36, 100, 144, 144, 100, 36, 49, 9, 225, 1, 225, 9, 49, 64, 196, 12, 400, 400, 12, 196, 64, 81, 64, 441, 144, 1, 144, 441, 64, 81, 100, 324, 576, 784, 900, 900, 784, 576, 324, 100, 121, 25, 81, 64, 1225, 1, 1225, 64, 81, 25, 121]