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.

A344469 Triangle read by rows: T(n, k) (0 <= k <= n) = [x^k] x^n * n! * [t^n] x*(1 + t)/(x*exp(-t) - t).

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 6
5 3
6 6
7 24
8 24
9 4
10 24
11 120
12 180
13 80
14 5
15 120
16 720
17 1440
18 1080
19 240
20 6
21 720
22 5040
23 12600
24 13440
25 5670
26 672
27 7
28 5040
29 40320
30 120960
31 168000
32 107520
33 27216
34 1792
35 8
36 40320
37 362880
38 1270080
39 2177280
40 1890000
41 774144
42 122472
43 4608
44 9

List of values

[1, 1, 2, 2, 6, 3, 6, 24, 24, 4, 24, 120, 180, 80, 5, 120, 720, 1440, 1080, 240, 6, 720, 5040, 12600, 13440, 5670, 672, 7, 5040, 40320, 120960, 168000, 107520, 27216, 1792, 8, 40320, 362880, 1270080, 2177280, 1890000, 774144, 122472, 4608, 9]