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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.

A008292 Triangle of Eulerian numbers T(n,k) (n >= 1, 1 <= k <= n) read by rows.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 4
6 1
7 1
8 11
9 11
10 1
11 1
12 26
13 66
14 26
15 1
16 1
17 57
18 302
19 302
20 57
21 1
22 1
23 120
24 1191
25 2416
26 1191
27 120
28 1
29 1
30 247
31 4293
32 15619
33 15619
34 4293
35 247
36 1
37 1
38 502
39 14608
40 88234
41 156190
42 88234
43 14608
44 502
45 1
46 1
47 1013
48 47840
49 455192
50 1310354
51 1310354
52 455192
53 47840
54 1013
55 1

List of values

[1, 1, 1, 1, 4, 1, 1, 11, 11, 1, 1, 26, 66, 26, 1, 1, 57, 302, 302, 57, 1, 1, 120, 1191, 2416, 1191, 120, 1, 1, 247, 4293, 15619, 15619, 4293, 247, 1, 1, 502, 14608, 88234, 156190, 88234, 14608, 502, 1, 1, 1013, 47840, 455192, 1310354, 1310354, 455192, 47840, 1013, 1]