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 | 9 |
| 2 | 12 |
| 3 | 15 |
| 4 | 18 |
| 5 | 23 |
| 6 | 29 |
| 7 | 36 |
| 8 | 45 |
| 9 | 56 |
| 10 | 70 |
| 11 | 88 |
| 12 | 110 |
| 13 | 137 |
| 14 | 171 |
| 15 | 214 |
| 16 | 268 |
| 17 | 335 |
| 18 | 418 |
| 19 | 523 |
| 20 | 654 |
| 21 | 817 |
| 22 | 1021 |
| 23 | 1277 |
| 24 | 1596 |
| 25 | 1995 |
| 26 | 2494 |
| 27 | 3117 |
| 28 | 3896 |
| 29 | 4870 |
| 30 | 6088 |
| 31 | 7610 |
| 32 | 9512 |
| 33 | 11890 |
| 34 | 14863 |
| 35 | 18579 |
| 36 | 23223 |
| 37 | 29029 |
| 38 | 36286 |
| 39 | 45358 |
| 40 | 56697 |