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 | 13 |
| 2 | 73 |
| 3 | 245 |
| 4 | 593 |
| 5 | 1181 |
| 6 | 2073 |
| 7 | 3333 |
| 8 | 5025 |
| 9 | 7213 |
| 10 | 9961 |
| 11 | 13333 |
| 12 | 17393 |
| 13 | 22205 |
| 14 | 27833 |
| 15 | 34341 |
| 16 | 41793 |
| 17 | 50253 |
| 18 | 59785 |
| 19 | 70453 |
| 20 | 82321 |
| 21 | 95453 |
| 22 | 109913 |
| 23 | 125765 |
| 24 | 143073 |
| 25 | 161901 |
| 26 | 182313 |
| 27 | 204373 |
| 28 | 228145 |
| 29 | 253693 |
| 30 | 281081 |
| 31 | 310373 |
| 32 | 341633 |
| 33 | 374925 |
| 34 | 410313 |
| 35 | 447861 |