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 | 1 |
3 | 7 |
4 | 55 |
5 | 601 |
6 | 7136 |
7 | 116929 |
8 | 1985607 |
9 | 42814321 |
10 | 954103114 |
11 | 25933795801 |
12 | 717297529686 |
13 | 23297606120881 |
14 | 770246625909788 |
15 | 29137514248718373 |
16 | 1127405063005559911 |
17 | 48661170952876980481 |
18 | 2139268956511467712586 |
19 | 104127343895537535804841 |
20 | 5158373570420037618149856 |