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 | 2 |
| 2 | 7 |
| 3 | 17 |
| 4 | 36 |
| 5 | 69 |
| 6 | 124 |
| 7 | 209 |
| 8 | 340 |
| 9 | 532 |
| 10 | 818 |
| 11 | 1222 |
| 12 | 1800 |
| 13 | 2601 |
| 14 | 3708 |
| 15 | 5213 |
| 16 | 7253 |
| 17 | 9982 |
| 18 | 13617 |
| 19 | 18406 |
| 20 | 24696 |
| 21 | 32881 |
| 22 | 43495 |
| 23 | 57159 |
| 24 | 74696 |
| 25 | 97057 |
| 26 | 125479 |
| 27 | 161413 |
| 28 | 206697 |
| 29 | 263501 |
| 30 | 334554 |