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.

A198060 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)*C(n,k)^(m+1)*(n+1)^j*(k+1)^(-j).

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 3
5 4
6 1
7 4
8 10
9 8
10 1
11 5
12 22
13 35
14 16
15 1
16 6
17 46
18 134
19 126
20 32
21 1
22 7
23 94
24 485
25 866
26 462
27 64
28 1
29 8
30 190
31 1700
32 5626
33 5812
34 1716
35 128
36 1
37 9
38 382
39 5831
40 35466
41 69062
42 40048
43 6435
44 256
45 1
46 10
47 766
48 19682
49 219626
50 795312
51 882540
52 281374
53 24310
54 512

List of values

[1, 1, 2, 1, 3, 4, 1, 4, 10, 8, 1, 5, 22, 35, 16, 1, 6, 46, 134, 126, 32, 1, 7, 94, 485, 866, 462, 64, 1, 8, 190, 1700, 5626, 5812, 1716, 128, 1, 9, 382, 5831, 35466, 69062, 40048, 6435, 256, 1, 10, 766, 19682, 219626, 795312, 882540, 281374, 24310, 512]