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 | 64 |
| 2 | 793 |
| 3 | 16418 |
| 4 | 134067 |
| 5 | 1905628 |
| 6 | 6732437 |
| 7 | 30870006 |
| 8 | 77915887 |
| 9 | 225951776 |
| 10 | 820775097 |
| 11 | 1708278778 |
| 12 | 4274005187 |
| 13 | 9024109428 |
| 14 | 15345472477 |
| 15 | 26124687806 |
| 16 | 48289048935 |
| 17 | 90469582576 |
| 18 | 141989956937 |
| 19 | 232448339106 |
| 20 | 360548623027 |
| 21 | 511882849316 |
| 22 | 754970304837 |
| 23 | 1081910678206 |