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) |
---|---|
0 | 1 |
1 | 5 |
2 | 15 |
3 | 140 |
4 | 1505 |
5 | 21875 |
6 | 319620 |
7 | 4936985 |
8 | 77358485 |
9 | 1236083870 |
10 | 19982821875 |
11 | 326511608255 |
12 | 5379199407890 |
13 | 89249496596015 |
14 | 1489580814490755 |
15 | 24988546214618750 |
16 | 421055477328447620 |
17 | 7122346563647277860 |
18 | 120891417096833214485 |
19 | 2058225554792946621495 |