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.

A214020 Number A(n,k) of n X k chess tableaux; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 0
13 1
14 1
15 1
16 1
17 1
18 1
19 1
20 1
21 1
22 1
23 0
24 2
25 0
26 1
27 1
28 1
29 1
30 2
31 6
32 6
33 2
34 1
35 1
36 1
37 1
38 0
39 22
40 0
41 22
42 0
43 1
44 1
45 1
46 1
47 5
48 92
49 324
50 324
51 92
52 5
53 1
54 1
55 1
56 1
57 0
58 422
59 0
60 8716
61 0
62 422
63 0
64 1
65 1
66 1
67 1
68 14
69 2074
70 47570
71 343234
72 343234
73 47570
74 2074
75 14
76 1
77 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 1, 1, 2, 6, 6, 2, 1, 1, 1, 1, 0, 22, 0, 22, 0, 1, 1, 1, 1, 5, 92, 324, 324, 92, 5, 1, 1, 1, 1, 0, 422, 0, 8716, 0, 422, 0, 1, 1, 1, 1, 14, 2074, 47570, 343234, 343234, 47570, 2074, 14, 1, 1]