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 | 2 |
| 2 | 9 |
| 3 | 16 |
| 4 | 55 |
| 5 | 78 |
| 6 | 112 |
| 7 | 232 |
| 8 | 342 |
| 9 | 420 |
| 10 | 605 |
| 11 | 852 |
| 12 | 1053 |
| 13 | 1330 |
| 14 | 1650 |
| 15 | 2144 |
| 16 | 2601 |
| 17 | 3168 |
| 18 | 3534 |
| 19 | 4420 |
| 20 | 5229 |
| 21 | 5984 |
| 22 | 6670 |
| 23 | 7440 |
| 24 | 8950 |
| 25 | 10478 |
| 26 | 11232 |
| 27 | 12712 |
| 28 | 13775 |
| 29 | 15510 |
| 30 | 17236 |
| 31 | 19200 |
| 32 | 20526 |
| 33 | 22780 |
| 34 | 26040 |
| 35 | 27756 |
| 36 | 29896 |
| 37 | 32452 |
| 38 | 35958 |
| 39 | 39120 |
| 40 | 41533 |
| 41 | 45570 |