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 | 3 |
| 2 | 13 |
| 3 | 27 |
| 4 | 147 |
| 5 | 203 |
| 6 | 5507 |
| 7 | 15661 |
| 8 | 16957 |
| 9 | 21531 |
| 10 | 29931 |
| 11 | 38051 |
| 12 | 47171 |
| 13 | 57147 |
| 14 | 84027 |
| 15 | 85547 |
| 16 | 90891 |
| 17 | 167051 |
| 18 | 273651 |
| 19 | 337501 |
| 20 | 392881 |
| 21 | 421715 |
| 22 | 566691 |
| 23 | 609971 |
| 24 | 698113 |
| 25 | 914701 |
| 26 | 1229283 |
| 27 | 1435213 |
| 28 | 1564573 |
| 29 | 1786587 |
| 30 | 1987571 |
| 31 | 2523387 |
| 32 | 2579377 |
| 33 | 2716443 |
| 34 | 3760347 |
| 35 | 3778273 |