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.

A198061 Array read by antidiagonals, m>=0, n>=0, A(m,n) = sum{k=0..n} 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 1
1 0
2 2
3 0
4 2
5 3
6 0
7 2
8 6
9 4
10 0
11 2
12 11
13 12
14 5
15 0
16 2
17 20
18 32
19 20
20 6
21 0
22 2
23 37
24 84
25 70
26 30
27 7
28 0
29 2
30 70
31 224
32 240
33 130
34 42
35 8
36 0
37 2
38 135
39 612
40 834
41 550
42 217
43 56
44 9
45 0
46 2
47 264
48 1712
49 2968
50 2354
51 1092
52 336
53 72
54 10
55 0
56 2
57 521
58 4884
59 10826
60 10310
61 5551
62 1960
63 492

List of values

[1, 0, 2, 0, 2, 3, 0, 2, 6, 4, 0, 2, 11, 12, 5, 0, 2, 20, 32, 20, 6, 0, 2, 37, 84, 70, 30, 7, 0, 2, 70, 224, 240, 130, 42, 8, 0, 2, 135, 612, 834, 550, 217, 56, 9, 0, 2, 264, 1712, 2968, 2354, 1092, 336, 72, 10, 0, 2, 521, 4884, 10826, 10310, 5551, 1960, 492]