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.

A014721 Squares of elements to left of the central element in Pascal triangle (by row).

Table of values

n a(n)
1 1
2 1
3 9
4 1
5 16
6 1
7 100
8 25
9 1
10 225
11 36
12 1
13 1225
14 441
15 49
16 1
17 3136
18 784
19 64
20 1
21 15876
22 7056
23 1296
24 81
25 1
26 44100
27 14400
28 2025
29 100
30 1
31 213444
32 108900
33 27225
34 3025
35 121
36 1
37 627264
38 245025
39 48400
40 4356
41 144
42 1
43 2944656
44 1656369
45 511225
46 81796

List of values

[1, 1, 9, 1, 16, 1, 100, 25, 1, 225, 36, 1, 1225, 441, 49, 1, 3136, 784, 64, 1, 15876, 7056, 1296, 81, 1, 44100, 14400, 2025, 100, 1, 213444, 108900, 27225, 3025, 121, 1, 627264, 245025, 48400, 4356, 144, 1, 2944656, 1656369, 511225, 81796]