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 | 200 |
| 2 | 4059 |
| 3 | 34350 |
| 4 | 181336 |
| 5 | 710976 |
| 6 | 2269938 |
| 7 | 6233356 |
| 8 | 15250675 |
| 9 | 34054592 |
| 10 | 70608021 |
| 11 | 137674186 |
| 12 | 254905378 |
| 13 | 451556600 |
| 14 | 769941268 |
| 15 | 1269757336 |
| 16 | 2033423669 |
| 17 | 3172578200 |
| 18 | 4835901375 |
| 19 | 7218440614 |
| 20 | 10572623996 |
| 21 | 15221164112 |
| 22 | 21572066022 |