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 | 7 |
| 2 | 19 |
| 3 | 41 |
| 4 | 103 |
| 5 | 137 |
| 6 | 199 |
| 7 | 307 |
| 8 | 349 |
| 9 | 491 |
| 10 | 739 |
| 11 | 823 |
| 12 | 919 |
| 13 | 1013 |
| 14 | 1061 |
| 15 | 1193 |
| 16 | 1277 |
| 17 | 1289 |
| 18 | 1409 |
| 19 | 1433 |
| 20 | 1447 |
| 21 | 1481 |
| 22 | 1543 |
| 23 | 1609 |
| 24 | 1667 |
| 25 | 1721 |
| 26 | 1747 |
| 27 | 2153 |
| 28 | 2357 |
| 29 | 2441 |
| 30 | 2617 |
| 31 | 2683 |
| 32 | 2777 |
| 33 | 3259 |
| 34 | 3319 |
| 35 | 3463 |
| 36 | 3581 |
| 37 | 3593 |
| 38 | 3769 |
| 39 | 3797 |
| 40 | 3911 |
| 41 | 3943 |
| 42 | 4013 |
| 43 | 4217 |
| 44 | 4423 |
| 45 | 4457 |