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 | 6 |
| 3 | 13 |
| 4 | 24 |
| 5 | 39 |
| 6 | 58 |
| 7 | 81 |
| 8 | 109 |
| 9 | 142 |
| 10 | 180 |
| 11 | 223 |
| 12 | 271 |
| 13 | 324 |
| 14 | 382 |
| 15 | 445 |
| 16 | 513 |
| 17 | 586 |
| 18 | 665 |
| 19 | 750 |
| 20 | 841 |
| 21 | 938 |
| 22 | 1041 |
| 23 | 1150 |
| 24 | 1265 |
| 25 | 1386 |
| 26 | 1513 |
| 27 | 1646 |
| 28 | 1785 |
| 29 | 1930 |
| 30 | 2081 |
| 31 | 2238 |
| 32 | 2401 |
| 33 | 2570 |
| 34 | 2745 |
| 35 | 2926 |
| 36 | 3113 |
| 37 | 3306 |
| 38 | 3505 |
| 39 | 3710 |
| 40 | 3921 |
| 41 | 4138 |
| 42 | 4362 |
| 43 | 4593 |
| 44 | 4831 |
| 45 | 5076 |