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 | 3 |
| 3 | 5 |
| 4 | 71 |
| 5 | 107 |
| 6 | 157 |
| 7 | 257 |
| 8 | 271 |
| 9 | 307 |
| 10 | 2549 |
| 11 | 2647 |
| 12 | 2801 |
| 13 | 3347 |
| 14 | 3697 |
| 15 | 3851 |
| 16 | 4201 |
| 17 | 4397 |
| 18 | 4649 |
| 19 | 4951 |
| 20 | 5399 |
| 21 | 5651 |
| 22 | 5749 |
| 23 | 5903 |
| 24 | 6449 |
| 25 | 6701 |
| 26 | 7451 |
| 27 | 7703 |
| 28 | 8053 |
| 29 | 8501 |
| 30 | 8753 |
| 31 | 9103 |
| 32 | 9551 |
| 33 | 10007 |
| 34 | 10357 |
| 35 | 10903 |
| 36 | 11057 |
| 37 | 11953 |
| 38 | 12157 |
| 39 | 12409 |
| 40 | 13109 |