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 | 129 |
| 2 | 2188 |
| 3 | 2315 |
| 4 | 16385 |
| 5 | 16512 |
| 6 | 18571 |
| 7 | 78126 |
| 8 | 78253 |
| 9 | 80312 |
| 10 | 94509 |
| 11 | 279937 |
| 12 | 280064 |
| 13 | 282123 |
| 14 | 296320 |
| 15 | 358061 |
| 16 | 823544 |
| 17 | 823671 |
| 18 | 825730 |
| 19 | 839927 |
| 20 | 901668 |
| 21 | 1103479 |
| 22 | 2097153 |
| 23 | 2097280 |
| 24 | 2099339 |
| 25 | 2113536 |
| 26 | 2175277 |
| 27 | 2377088 |
| 28 | 2920695 |