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 | 19 |
| 3 | 199 |
| 4 | 523 |
| 5 | 739 |
| 6 | 991 |
| 7 | 1279 |
| 8 | 2791 |
| 9 | 3259 |
| 10 | 6823 |
| 11 | 9091 |
| 12 | 12619 |
| 13 | 13591 |
| 14 | 15643 |
| 15 | 17839 |
| 16 | 32491 |
| 17 | 34039 |
| 18 | 37243 |
| 19 | 40591 |
| 20 | 63703 |
| 21 | 68059 |
| 22 | 72559 |
| 23 | 79579 |
| 24 | 86923 |
| 25 | 89443 |
| 26 | 105319 |
| 27 | 110899 |
| 28 | 137791 |
| 29 | 144163 |
| 30 | 153991 |
| 31 | 160723 |
| 32 | 171091 |
| 33 | 178183 |
| 34 | 192799 |
| 35 | 196543 |
| 36 | 200323 |
| 37 | 211879 |
| 38 | 219763 |