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 | 3 |
| 2 | 5 |
| 3 | 13 |
| 4 | 61 |
| 5 | 157 |
| 6 | 277 |
| 7 | 421 |
| 8 | 661 |
| 9 | 733 |
| 10 | 877 |
| 11 | 997 |
| 12 | 1093 |
| 13 | 1213 |
| 14 | 1237 |
| 15 | 1381 |
| 16 | 1933 |
| 17 | 2797 |
| 18 | 3253 |
| 19 | 3517 |
| 20 | 3733 |
| 21 | 4021 |
| 22 | 4261 |
| 23 | 4621 |
| 24 | 5413 |
| 25 | 6037 |
| 26 | 6133 |
| 27 | 6637 |
| 28 | 6781 |
| 29 | 6997 |
| 30 | 7213 |
| 31 | 7477 |
| 32 | 7933 |
| 33 | 8053 |
| 34 | 8221 |
| 35 | 9013 |
| 36 | 9133 |
| 37 | 9277 |
| 38 | 9661 |
| 39 | 10357 |
| 40 | 10453 |
| 41 | 10861 |
| 42 | 10957 |
| 43 | 11317 |
| 44 | 11677 |