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) |
---|---|
1 | 1 |
2 | 10 |
3 | 81 |
4 | 640 |
5 | 5041 |
6 | 39690 |
7 | 312481 |
8 | 2460160 |
9 | 19368801 |
10 | 152490250 |
11 | 1200553201 |
12 | 9451935360 |
13 | 74414929681 |
14 | 585867502090 |
15 | 4612525087041 |
16 | 36314333194240 |
17 | 285902140466881 |
18 | 2250902790540810 |
19 | 17721320183859601 |
20 | 139519658680336000 |
21 | 1098435949258828401 |
22 | 8647967935390291210 |