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 | 13 |
| 2 | 37 |
| 3 | 121 |
| 4 | 265 |
| 5 | 587 |
| 6 | 1019 |
| 7 | 1797 |
| 8 | 2823 |
| 9 | 4369 |
| 10 | 6257 |
| 11 | 9001 |
| 12 | 12289 |
| 13 | 16775 |
| 14 | 21905 |
| 15 | 28383 |
| 16 | 35901 |
| 17 | 45463 |
| 18 | 56119 |
| 19 | 69351 |
| 20 | 84167 |
| 21 | 101687 |
| 22 | 120869 |
| 23 | 143777 |
| 24 | 168873 |
| 25 | 198191 |
| 26 | 229771 |
| 27 | 266015 |
| 28 | 305379 |
| 29 | 350673 |
| 30 | 399035 |
| 31 | 454243 |
| 32 | 513619 |
| 33 | 579787 |
| 34 | 649899 |
| 35 | 727927 |
| 36 | 810907 |
| 37 | 903581 |