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.

A208615 Number of Young tableaux A(n,k) with n k-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing); 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 3
13 1
14 1
15 1
16 1
17 6
18 10
19 1
20 1
21 1
22 1
23 15
24 53
25 35
26 1
27 1
28 1
29 1
30 43
31 491
32 587
33 126
34 1
35 1
36 1
37 1
38 133
39 6091
40 25187
41 7572
42 462
43 1
44 1
45 1
46 1
47 430
48 87781
49 1676707
50 1725819
51 109027
52 1716
53 1
54 1
55 1
56 1
57 1431
58 1386529
59 140422657
60 705002611
61 144558247
62 1705249
63 6435
64 1
65 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 6, 10, 1, 1, 1, 1, 15, 53, 35, 1, 1, 1, 1, 43, 491, 587, 126, 1, 1, 1, 1, 133, 6091, 25187, 7572, 462, 1, 1, 1, 1, 430, 87781, 1676707, 1725819, 109027, 1716, 1, 1, 1, 1, 1431, 1386529, 140422657, 705002611, 144558247, 1705249, 6435, 1, 1]