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.

A265609 Array read by ascending antidiagonals: A(n,k) the rising factorial, also known as Pochhammer symbol, for n >= 0 and k >= 0.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 2
9 0
10 1
11 3
12 6
13 6
14 0
15 1
16 4
17 12
18 24
19 24
20 0
21 1
22 5
23 20
24 60
25 120
26 120
27 0
28 1
29 6
30 30
31 120
32 360
33 720
34 720
35 0
36 1
37 7
38 42
39 210
40 840
41 2520
42 5040
43 5040
44 0
45 1
46 8
47 56
48 336
49 1680
50 6720
51 20160
52 40320
53 40320
54 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 6, 6, 0, 1, 4, 12, 24, 24, 0, 1, 5, 20, 60, 120, 120, 0, 1, 6, 30, 120, 360, 720, 720, 0, 1, 7, 42, 210, 840, 2520, 5040, 5040, 0, 1, 8, 56, 336, 1680, 6720, 20160, 40320, 40320, 0]