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 | 36 |
| 4 | 99 |
| 5 | 224 |
| 6 | 407 |
| 7 | 724 |
| 8 | 1129 |
| 9 | 1700 |
| 10 | 2451 |
| 11 | 3382 |
| 12 | 4543 |
| 13 | 5986 |
| 14 | 7661 |
| 15 | 9724 |
| 16 | 12041 |
| 17 | 14762 |
| 18 | 17891 |
| 19 | 21482 |
| 20 | 25499 |
| 21 | 29998 |
| 22 | 35083 |
| 23 | 40644 |
| 24 | 46873 |
| 25 | 53620 |
| 26 | 61077 |
| 27 | 69240 |
| 28 | 78119 |
| 29 | 87686 |
| 30 | 98053 |
| 31 | 109290 |
| 32 | 121503 |
| 33 | 134388 |
| 34 | 148297 |
| 35 | 162970 |
| 36 | 178905 |
| 37 | 195770 |
| 38 | 213725 |
| 39 | 232794 |