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 | 5 |
| 2 | 13 |
| 3 | 31 |
| 4 | 61 |
| 5 | 103 |
| 6 | 139 |
| 7 | 157 |
| 8 | 181 |
| 9 | 211 |
| 10 | 277 |
| 11 | 349 |
| 12 | 373 |
| 13 | 409 |
| 14 | 463 |
| 15 | 547 |
| 16 | 613 |
| 17 | 631 |
| 18 | 691 |
| 19 | 811 |
| 20 | 937 |
| 21 | 1021 |
| 22 | 1069 |
| 23 | 1129 |
| 24 | 1201 |
| 25 | 1279 |
| 26 | 1399 |
| 27 | 1549 |
| 28 | 1663 |
| 29 | 1723 |
| 30 | 1753 |
| 31 | 1873 |
| 32 | 1993 |
| 33 | 2089 |
| 34 | 2281 |
| 35 | 2467 |
| 36 | 2617 |
| 37 | 2707 |
| 38 | 2749 |
| 39 | 2917 |
| 40 | 3163 |
| 41 | 3301 |
| 42 | 3457 |
| 43 | 3607 |
| 44 | 3691 |
| 45 | 3793 |
| 46 | 3877 |
| 47 | 3919 |