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.

A377597 Table read by antidiagonals: T(n,k) = (n*k)!/(n^k*k!), n >=1, k >= 0.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 2
10 1
11 1
12 15
13 40
14 6
15 1
16 1
17 105
18 2240
19 1260
20 24
21 1
22 1
23 945
24 246400
25 1247400
26 72576
27 120
28 1
29 1
30 10395
31 44844800
32 3405402000
33 1743565824
34 6652800
35 720
36 1
37 1
38 135135
39 12197785600
40 19799007228000
41 162193467211776
42 4940103168000
43 889574400
44 5040
45 1

List of values

[1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 15, 40, 6, 1, 1, 105, 2240, 1260, 24, 1, 1, 945, 246400, 1247400, 72576, 120, 1, 1, 10395, 44844800, 3405402000, 1743565824, 6652800, 720, 1, 1, 135135, 12197785600, 19799007228000, 162193467211776, 4940103168000, 889574400, 5040, 1]