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 | 1 |
| 2 | 14 |
| 3 | 102 |
| 4 | 936 |
| 5 | 2079 |
| 6 | 8814 |
| 7 | 22155 |
| 8 | 53090 |
| 9 | 91493 |
| 10 | 200228 |
| 11 | 304017 |
| 12 | 575082 |
| 13 | 941185 |
| 14 | 1542708 |
| 15 | 2114901 |
| 16 | 3423009 |
| 17 | 4480459 |
| 18 | 6771099 |
| 19 | 9448995 |
| 20 | 13219018 |
| 21 | 16542150 |
| 22 | 23499170 |
| 23 | 30786120 |
| 24 | 41197560 |
| 25 | 52676852 |
| 26 | 68426580 |
| 27 | 81835570 |
| 28 | 108246990 |