cp's OEIS Frontend

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.

A171638 Denominator of 1/(n-2)^2 - 1/(n+2)^2.

Table of values

n a(n)
2 0
3 25
4 9
5 441
6 64
7 2025
8 225
9 5929
10 576
11 13689
12 1225
13 27225
14 2304
15 48841
16 3969
17 81225
18 6400
19 127449
20 9801
21 190969
22 14400
23 275625
24 20449
25 385641
26 28224
27 525625
28 38025
29 700569
30 50176
31 915849
32 65025
33 1177225
34 82944
35 1490841

List of values

[0, 25, 9, 441, 64, 2025, 225, 5929, 576, 13689, 1225, 27225, 2304, 48841, 3969, 81225, 6400, 127449, 9801, 190969, 14400, 275625, 20449, 385641, 28224, 525625, 38025, 700569, 50176, 915849, 65025, 1177225, 82944, 1490841]