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.

A123150 a(n) = (n^5 - n^4 - n^3 + n^2 - 1)*a(n-5) for n > 4, otherwise n!.

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 24
5 2399
6 6299
7 28222
8 169338
9 1244136
10 213748501
11 914608501
12 6392593442
13 57693964614
14 618160168824
15 150820728557099
16 895583729570699
17 8513087005239262
18 102642351647368962
19 1446049101566437896
20 457348626455818450501
21 3475580442134239108501

List of values

[1, 1, 2, 6, 24, 2399, 6299, 28222, 169338, 1244136, 213748501, 914608501, 6392593442, 57693964614, 618160168824, 150820728557099, 895583729570699, 8513087005239262, 102642351647368962, 1446049101566437896, 457348626455818450501, 3475580442134239108501]