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 | 28 |
| 3 | 190 |
| 4 | 703 |
| 5 | 1891 |
| 6 | 4186 |
| 7 | 8128 |
| 8 | 14365 |
| 9 | 23653 |
| 10 | 36856 |
| 11 | 54946 |
| 12 | 79003 |
| 13 | 110215 |
| 14 | 149878 |
| 15 | 199396 |
| 16 | 260281 |
| 17 | 334153 |
| 18 | 422740 |
| 19 | 527878 |
| 20 | 651511 |
| 21 | 795691 |
| 22 | 962578 |
| 23 | 1154440 |
| 24 | 1373653 |
| 25 | 1622701 |
| 26 | 1904176 |
| 27 | 2220778 |
| 28 | 2575315 |
| 29 | 2970703 |
| 30 | 3409966 |
| 31 | 3896236 |
| 32 | 4432753 |
| 33 | 5022865 |