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 | 47 |
| 2 | 79 |
| 3 | 239 |
| 4 | 271 |
| 5 | 367 |
| 6 | 431 |
| 7 | 463 |
| 8 | 719 |
| 9 | 751 |
| 10 | 911 |
| 11 | 1039 |
| 12 | 1103 |
| 13 | 1231 |
| 14 | 1327 |
| 15 | 1423 |
| 16 | 1487 |
| 17 | 1583 |
| 18 | 1871 |
| 19 | 1999 |
| 20 | 2063 |
| 21 | 2287 |
| 22 | 2351 |
| 23 | 2383 |
| 24 | 2447 |
| 25 | 2543 |
| 26 | 2671 |
| 27 | 2767 |
| 28 | 2927 |
| 29 | 3023 |
| 30 | 3119 |
| 31 | 3343 |
| 32 | 3407 |
| 33 | 3631 |
| 34 | 3727 |
| 35 | 3823 |
| 36 | 3919 |
| 37 | 4079 |
| 38 | 4111 |
| 39 | 4271 |
| 40 | 4463 |
| 41 | 4591 |
| 42 | 4751 |
| 43 | 4783 |
| 44 | 4943 |
| 45 | 5039 |