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.

A049029 Triangle read by rows, the Bell transform of the quartic factorial numbers A007696(n+1) without column 0.

Table of values

n a(n)
1 1
2 5
3 1
4 45
5 15
6 1
7 585
8 255
9 30
10 1
11 9945
12 5175
13 825
14 50
15 1
16 208845
17 123795
18 24150
19 2025
20 75
21 1
22 5221125
23 3427515
24 775845
25 80850
26 4200
27 105
28 1
29 151412625
30 108046575
31 27478710
32 3363045
33 219450
34 7770
35 140
36 1
37 4996616625
38 3824996175
39 1069801425

List of values

[1, 5, 1, 45, 15, 1, 585, 255, 30, 1, 9945, 5175, 825, 50, 1, 208845, 123795, 24150, 2025, 75, 1, 5221125, 3427515, 775845, 80850, 4200, 105, 1, 151412625, 108046575, 27478710, 3363045, 219450, 7770, 140, 1, 4996616625, 3824996175, 1069801425]