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.

A374708 Triangle T read by rows: T(n,k) = (n - k)*n*(4*n^2 - 4*n*k + 2*k^2 - 1 + (-1)^k)/4, with 0 <= k < n.

Table of values

n a(n)
1 1
2 16
3 4
4 81
5 36
6 15
7 256
8 144
9 80
10 32
11 625
12 400
13 255
14 140
15 65
16 1296
17 900
18 624
19 396
20 240
21 108
22 2401
23 1764
24 1295
25 896
26 609
27 364
28 175
29 4096
30 3136
31 2400
32 1760
33 1280
34 864
35 544
36 256
37 6561
38 5184
39 4095
40 3132
41 2385
42 1728
43 1215
44 756
45 369
46 10000
47 8100
48 6560
49 5180
50 4080
51 3100
52 2320
53 1620
54 1040
55 500

List of values

[1, 16, 4, 81, 36, 15, 256, 144, 80, 32, 625, 400, 255, 140, 65, 1296, 900, 624, 396, 240, 108, 2401, 1764, 1295, 896, 609, 364, 175, 4096, 3136, 2400, 1760, 1280, 864, 544, 256, 6561, 5184, 4095, 3132, 2385, 1728, 1215, 756, 369, 10000, 8100, 6560, 5180, 4080, 3100, 2320, 1620, 1040, 500]