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) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 39 |
| 3 | 107 |
| 4 | 233 |
| 5 | 413 |
| 6 | 699 |
| 7 | 1047 |
| 8 | 1557 |
| 9 | 2129 |
| 10 | 2927 |
| 11 | 3779 |
| 12 | 4929 |
| 13 | 6117 |
| 14 | 7683 |
| 15 | 9263 |
| 16 | 11309 |
| 17 | 13337 |
| 18 | 15927 |
| 19 | 18459 |
| 20 | 21657 |
| 21 | 24749 |
| 22 | 28619 |
| 23 | 32327 |
| 24 | 36933 |
| 25 | 41313 |
| 26 | 46719 |
| 27 | 51827 |
| 28 | 58097 |
| 29 | 63989 |
| 30 | 71187 |
| 31 | 77919 |
| 32 | 86109 |
| 33 | 93737 |
| 34 | 102983 |
| 35 | 111563 |
| 36 | 121929 |
| 37 | 131517 |
| 38 | 143067 |
| 39 | 153719 |
| 40 | 166517 |