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 | 4 |
| 2 | 10 |
| 3 | 22 |
| 4 | 46 |
| 5 | 81 |
| 6 | 129 |
| 7 | 198 |
| 8 | 284 |
| 9 | 392 |
| 10 | 530 |
| 11 | 691 |
| 12 | 883 |
| 13 | 1114 |
| 14 | 1374 |
| 15 | 1674 |
| 16 | 2022 |
| 17 | 2405 |
| 18 | 2837 |
| 19 | 3326 |
| 20 | 3856 |
| 21 | 4444 |
| 22 | 5098 |
| 23 | 5799 |
| 24 | 6567 |
| 25 | 7410 |
| 26 | 8306 |
| 27 | 9278 |
| 28 | 10334 |
| 29 | 11449 |
| 30 | 12649 |
| 31 | 13942 |
| 32 | 15300 |
| 33 | 16752 |
| 34 | 18306 |
| 35 | 19931 |
| 36 | 21659 |
| 37 | 23498 |
| 38 | 25414 |
| 39 | 27442 |
| 40 | 29590 |
| 41 | 31821 |
| 42 | 34173 |
| 43 | 36654 |