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.

A173333 Triangle read by rows: T(n, k) = n! / k!, 1 <= k <= n.

Table of values

n a(n)
1 1
2 2
3 1
4 6
5 3
6 1
7 24
8 12
9 4
10 1
11 120
12 60
13 20
14 5
15 1
16 720
17 360
18 120
19 30
20 6
21 1
22 5040
23 2520
24 840
25 210
26 42
27 7
28 1
29 40320
30 20160
31 6720
32 1680
33 336
34 56
35 8
36 1
37 362880
38 181440
39 60480
40 15120
41 3024
42 504
43 72
44 9
45 1
46 3628800
47 1814400
48 604800
49 151200
50 30240
51 5040
52 720
53 90
54 10
55 1

List of values

[1, 2, 1, 6, 3, 1, 24, 12, 4, 1, 120, 60, 20, 5, 1, 720, 360, 120, 30, 6, 1, 5040, 2520, 840, 210, 42, 7, 1, 40320, 20160, 6720, 1680, 336, 56, 8, 1, 362880, 181440, 60480, 15120, 3024, 504, 72, 9, 1, 3628800, 1814400, 604800, 151200, 30240, 5040, 720, 90, 10, 1]