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 | 4 |
| 3 | 7 |
| 4 | 16 |
| 5 | 22 |
| 6 | 46 |
| 7 | 58 |
| 8 | 107 |
| 9 | 140 |
| 10 | 227 |
| 11 | 287 |
| 12 | 464 |
| 13 | 563 |
| 14 | 851 |
| 15 | 1067 |
| 16 | 1530 |
| 17 | 1866 |
| 18 | 2661 |
| 19 | 3198 |
| 20 | 4428 |
| 21 | 5361 |
| 22 | 7185 |
| 23 | 8613 |
| 24 | 11524 |
| 25 | 13639 |
| 26 | 17839 |
| 27 | 21272 |
| 28 | 27359 |
| 29 | 32300 |
| 30 | 41369 |
| 31 | 48512 |
| 32 | 61311 |
| 33 | 72105 |
| 34 | 89904 |
| 35 | 105226 |
| 36 | 130834 |
| 37 | 152164 |
| 38 | 187297 |
| 39 | 218356 |
| 40 | 266444 |
| 41 | 309125 |
| 42 | 375995 |
| 43 | 434670 |
| 44 | 525045 |
| 45 | 607329 |
| 46 | 728256 |
| 47 | 839874 |
| 48 | 1004938 |