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 | 12 |
| 3 | 58 |
| 4 | 238 |
| 5 | 3120 |
| 6 | 6856 |
| 7 | 29788 |
| 8 | 50650 |
| 9 | 65520 |
| 10 | 161046 |
| 11 | 262126 |
| 12 | 300760 |
| 13 | 1295026 |
| 14 | 3442948 |
| 15 | 9393928 |
| 16 | 13997518 |
| 17 | 21253930 |
| 18 | 49430860 |
| 19 | 84604516 |
| 20 | 95443990 |
| 21 | 237176656 |
| 22 | 329939368 |
| 23 | 384240580 |
| 24 | 487443400 |
| 25 | 633839776 |
| 26 | 893871732 |
| 27 | 904231060 |
| 28 | 1284365500 |
| 29 | 1605723208 |
| 30 | 3183010108 |
| 31 | 3301293166 |
| 32 | 3588604288 |
| 33 | 3936827536 |