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 | 107 |
| 5 | 227 |
| 6 | 277 |
| 7 | 457 |
| 8 | 857 |
| 9 | 1627 |
| 10 | 3517 |
| 11 | 4517 |
| 12 | 5407 |
| 13 | 9767 |
| 14 | 11057 |
| 15 | 13877 |
| 16 | 15017 |
| 17 | 16607 |
| 18 | 20477 |
| 19 | 23767 |
| 20 | 26267 |
| 21 | 27827 |
| 22 | 35107 |
| 23 | 37517 |
| 24 | 41927 |
| 25 | 42577 |
| 26 | 50767 |
| 27 | 53657 |
| 28 | 58907 |
| 29 | 62017 |
| 30 | 68477 |
| 31 | 79657 |
| 32 | 83267 |
| 33 | 86027 |
| 34 | 93607 |
| 35 | 98507 |
| 36 | 110777 |
| 37 | 113957 |
| 38 | 128257 |
| 39 | 137477 |
| 40 | 145807 |