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.

A124320 Triangle read by rows: T(n,k) = k!*binomial(n+k-1,k) (n >= 0, 0 <= k <= n), rising factorial power, Pochhammer symbol.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 6
6 1
7 3
8 12
9 60
10 1
11 4
12 20
13 120
14 840
15 1
16 5
17 30
18 210
19 1680
20 15120
21 1
22 6
23 42
24 336
25 3024
26 30240
27 332640
28 1
29 7
30 56
31 504
32 5040
33 55440
34 665280
35 8648640
36 1
37 8
38 72
39 720
40 7920
41 95040
42 1235520
43 17297280
44 259459200
45 1
46 9
47 90
48 990
49 11880
50 154440
51 2162160
52 32432400
53 518918400
54 8821612800

List of values

[1, 1, 1, 1, 2, 6, 1, 3, 12, 60, 1, 4, 20, 120, 840, 1, 5, 30, 210, 1680, 15120, 1, 6, 42, 336, 3024, 30240, 332640, 1, 7, 56, 504, 5040, 55440, 665280, 8648640, 1, 8, 72, 720, 7920, 95040, 1235520, 17297280, 259459200, 1, 9, 90, 990, 11880, 154440, 2162160, 32432400, 518918400, 8821612800]