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 | 283 |
| 2 | 1153 |
| 3 | 1723 |
| 4 | 2053 |
| 5 | 2143 |
| 6 | 3413 |
| 7 | 3583 |
| 8 | 3823 |
| 9 | 3853 |
| 10 | 4243 |
| 11 | 4273 |
| 12 | 4363 |
| 13 | 4483 |
| 14 | 4663 |
| 15 | 5323 |
| 16 | 5903 |
| 17 | 6133 |
| 18 | 6163 |
| 19 | 6343 |
| 20 | 6553 |
| 21 | 6793 |
| 22 | 6803 |
| 23 | 7253 |
| 24 | 7963 |
| 25 | 8243 |
| 26 | 8353 |
| 27 | 8543 |
| 28 | 8563 |
| 29 | 8783 |
| 30 | 8893 |
| 31 | 9283 |
| 32 | 9403 |
| 33 | 10223 |
| 34 | 10303 |
| 35 | 10433 |
| 36 | 10993 |
| 37 | 11093 |
| 38 | 11383 |
| 39 | 12253 |
| 40 | 12703 |
| 41 | 13063 |
| 42 | 13513 |
| 43 | 13933 |
| 44 | 14293 |
| 45 | 14983 |