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 | 41 |
| 3 | 97 |
| 4 | 281 |
| 5 | 409 |
| 6 | 937 |
| 7 | 1409 |
| 8 | 2297 |
| 9 | 4721 |
| 10 | 5209 |
| 11 | 6257 |
| 12 | 8009 |
| 13 | 8641 |
| 14 | 12161 |
| 15 | 14561 |
| 16 | 18097 |
| 17 | 21001 |
| 18 | 23057 |
| 19 | 24121 |
| 20 | 26321 |
| 21 | 27457 |
| 22 | 37409 |
| 23 | 42961 |
| 24 | 50441 |
| 25 | 52009 |
| 26 | 55217 |
| 27 | 56857 |
| 28 | 60209 |
| 29 | 70841 |
| 30 | 76481 |
| 31 | 90481 |
| 32 | 139537 |
| 33 | 147409 |
| 34 | 152777 |
| 35 | 161009 |
| 36 | 169457 |
| 37 | 172321 |
| 38 | 227977 |
| 39 | 238009 |