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.
n | a(n) |
---|---|
2 | 1 |
3 | 308 |
4 | 154840 |
5 | 121284800 |
6 | 138146444800 |
7 | 216595133081600 |
8 | 448169865375232000 |
9 | 1184352885735219200000 |
10 | 3894384547720687820800000 |
11 | 15599967808704696966348800000 |
12 | 74806554280938737689393561600000 |
13 | 423166219648146647212581257216000000 |
14 | 2788777788711380327670376970321920000000 |