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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.

A076126 Triangle T(n,k) of associated Lah numbers, n>=2, k=1..floor(n/2).

Table of values

n a(n)
2 2
3 6
4 24
5 12
6 120
7 120
8 720
9 1080
10 120
11 5040
12 10080
13 2520
14 40320
15 100800
16 40320
17 1680
18 362880
19 1088640
20 604800
21 60480
22 3628800
23 12700800
24 9072000
25 1512000
26 30240
27 39916800
28 159667200
29 139708800
30 33264000
31 1663200
32 479001600

List of values

[2, 6, 24, 12, 120, 120, 720, 1080, 120, 5040, 10080, 2520, 40320, 100800, 40320, 1680, 362880, 1088640, 604800, 60480, 3628800, 12700800, 9072000, 1512000, 30240, 39916800, 159667200, 139708800, 33264000, 1663200, 479001600]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.