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 | 23 |
| 2 | 47 |
| 3 | 107 |
| 4 | 191 |
| 5 | 499 |
| 6 | 647 |
| 7 | 719 |
| 8 | 809 |
| 9 | 863 |
| 10 | 1249 |
| 11 | 1439 |
| 12 | 1999 |
| 13 | 2591 |
| 14 | 2879 |
| 15 | 3023 |
| 16 | 3779 |
| 17 | 4079 |
| 18 | 5323 |
| 19 | 6911 |
| 20 | 7039 |
| 21 | 7127 |
| 22 | 7559 |
| 23 | 8231 |
| 24 | 8231 |
| 25 | 8747 |
| 26 | 9839 |
| 27 | 10289 |
| 28 | 10289 |
| 29 | 10499 |
| 30 | 10499 |
| 31 | 10529 |
| 32 | 10691 |
| 33 | 11279 |
| 34 | 11519 |
| 35 | 12959 |
| 36 | 13229 |
| 37 | 13309 |
| 38 | 13999 |
| 39 | 15551 |
| 40 | 15551 |
| 41 | 15971 |
| 42 | 18143 |
| 43 | 19207 |