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 | 7 |
| 4 | 11 |
| 5 | 19 |
| 6 | 23 |
| 7 | 89 |
| 8 | 101 |
| 9 | 137 |
| 10 | 157 |
| 11 | 211 |
| 12 | 373 |
| 13 | 659 |
| 14 | 877 |
| 15 | 881 |
| 16 | 1399 |
| 17 | 1597 |
| 18 | 1627 |
| 19 | 1663 |
| 20 | 1811 |
| 21 | 2029 |
| 22 | 2069 |
| 23 | 2087 |
| 24 | 2153 |
| 25 | 2381 |
| 26 | 2677 |
| 27 | 2939 |
| 28 | 3433 |
| 29 | 3491 |
| 30 | 3511 |
| 31 | 3617 |
| 32 | 3673 |
| 33 | 4111 |
| 34 | 4127 |
| 35 | 4547 |
| 36 | 4721 |
| 37 | 5059 |
| 38 | 5483 |
| 39 | 6529 |
| 40 | 6793 |
| 41 | 6827 |
| 42 | 7757 |
| 43 | 8209 |
| 44 | 8297 |
| 45 | 8677 |
| 46 | 9203 |
| 47 | 9463 |
| 48 | 9811 |
| 49 | 10139 |
| 50 | 10159 |
| 51 | 11321 |