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) |
|---|---|
| 0 | 1 |
| 1 | 1641 |
| 2 | 26465 |
| 3 | 134953 |
| 4 | 427905 |
| 5 | 1046441 |
| 6 | 2172001 |
| 7 | 4026345 |
| 8 | 6871553 |
| 9 | 11010025 |
| 10 | 16784481 |
| 11 | 24577961 |
| 12 | 34813825 |
| 13 | 47955753 |
| 14 | 64507745 |
| 15 | 85014121 |
| 16 | 110059521 |
| 17 | 140268905 |
| 18 | 176307553 |
| 19 | 218881065 |
| 20 | 268735361 |
| 21 | 326656681 |
| 22 | 393471585 |
| 23 | 470046953 |
| 24 | 557289985 |
| 25 | 656148201 |
| 26 | 767609441 |