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 | 265483 |
| 1 | 220579 |
| 2 | 181523 |
| 3 | 147793 |
| 4 | 118891 |
| 5 | 94343 |
| 6 | 73699 |
| 7 | 56533 |
| 8 | 42443 |
| 9 | 31051 |
| 10 | 22003 |
| 11 | 14969 |
| 12 | 9643 |
| 13 | 5743 |
| 14 | 3011 |
| 15 | 1213 |
| 16 | 139 |
| 17 | -397 |
| 18 | -557 |
| 19 | -479 |
| 20 | -277 |
| 21 | -41 |
| 22 | 163 |
| 23 | 293 |
| 24 | 331 |
| 25 | 283 |
| 26 | 179 |
| 27 | 73 |
| 28 | 43 |
| 29 | 191 |
| 30 | 643 |
| 31 | 1549 |
| 32 | 3083 |
| 33 | 5443 |