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 | 1 |
| 2 | 19 |
| 3 | 69 |
| 4 | 183 |
| 5 | 377 |
| 6 | 683 |
| 7 | 1117 |
| 8 | 1711 |
| 9 | 2481 |
| 10 | 3459 |
| 11 | 4661 |
| 12 | 6119 |
| 13 | 7849 |
| 14 | 9883 |
| 15 | 12237 |
| 16 | 14943 |
| 17 | 18017 |
| 18 | 21491 |
| 19 | 25381 |
| 20 | 29719 |
| 21 | 34521 |
| 22 | 39819 |
| 23 | 45629 |
| 24 | 51983 |
| 25 | 58897 |
| 26 | 66403 |
| 27 | 74517 |
| 28 | 83271 |
| 29 | 92681 |
| 30 | 102779 |
| 31 | 113581 |
| 32 | 125119 |
| 33 | 137409 |
| 34 | 150483 |
| 35 | 164357 |
| 36 | 179063 |
| 37 | 194617 |
| 38 | 211051 |
| 39 | 228381 |
| 40 | 246639 |