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 | 311 |
| 2 | 67141 |
| 3 | 125963951 |
| 4 | 161888809 |
| 5 | 201388259 |
| 6 | 559069591 |
| 7 | 669472577 |
| 8 | 917135831 |
| 9 | 951993491 |
| 10 | 974896207 |
| 11 | 1103919101 |
| 12 | 1128722657 |
| 13 | 1426246369 |
| 14 | 1691534683 |
| 15 | 1977185207 |
| 16 | 2455167607 |
| 17 | 2472527851 |
| 18 | 2558204381 |
| 19 | 2583232213 |
| 20 | 2643398713 |
| 21 | 2708464399 |
| 22 | 2815245317 |
| 23 | 2868455287 |