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 | 101 |
| 2 | 103 |
| 3 | 107 |
| 4 | 109 |
| 5 | 113 |
| 6 | 307 |
| 7 | 311 |
| 8 | 313 |
| 9 | 317 |
| 10 | 509 |
| 11 | 521 |
| 12 | 709 |
| 13 | 719 |
| 14 | 911 |
| 15 | 919 |
| 16 | 1009 |
| 17 | 1013 |
| 18 | 1213 |
| 19 | 1217 |
| 20 | 1409 |
| 21 | 1607 |
| 22 | 1609 |
| 23 | 1613 |
| 24 | 1619 |
| 25 | 1621 |
| 26 | 1811 |
| 27 | 1823 |
| 28 | 2017 |
| 29 | 2027 |
| 30 | 2111 |
| 31 | 2113 |
| 32 | 2309 |
| 33 | 2311 |
| 34 | 2521 |
| 35 | 2711 |
| 36 | 2713 |
| 37 | 2719 |
| 38 | 2917 |
| 39 | 2927 |
| 40 | 3011 |
| 41 | 3209 |
| 42 | 3217 |
| 43 | 3221 |
| 44 | 3407 |
| 45 | 3413 |
| 46 | 3613 |
| 47 | 3617 |
| 48 | 3623 |