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.

A198063 Triangle read by rows (n >= 0, 0 <= k <= n, m = 3); T(n,k) = Sum{j=0..m} Sum{i=0..m} (-1)^(j+i)*C(i,j)*n^j*k^(m-j).

Table of values

n a(n)
0 0
1 1
2 1
3 8
4 4
5 8
6 27
7 15
8 15
9 27
10 64
11 40
12 32
13 40
14 64
15 125
16 85
17 65
18 65
19 85
20 125
21 216
22 156
23 120
24 108
25 120
26 156
27 216
28 343
29 259
30 203
31 175
32 175
33 203
34 259
35 343
36 512
37 400
38 320
39 272
40 256
41 272
42 320
43 400
44 512
45 729
46 585
47 477
48 405
49 369
50 369
51 405
52 477
53 585
54 729

List of values

[0, 1, 1, 8, 4, 8, 27, 15, 15, 27, 64, 40, 32, 40, 64, 125, 85, 65, 65, 85, 125, 216, 156, 120, 108, 120, 156, 216, 343, 259, 203, 175, 175, 203, 259, 343, 512, 400, 320, 272, 256, 272, 320, 400, 512, 729, 585, 477, 405, 369, 369, 405, 477, 585, 729]