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 | 167 |
| 3 | 257 |
| 4 | 317 |
| 5 | 467 |
| 6 | 557 |
| 7 | 587 |
| 8 | 647 |
| 9 | 677 |
| 10 | 797 |
| 11 | 887 |
| 12 | 947 |
| 13 | 977 |
| 14 | 1097 |
| 15 | 1187 |
| 16 | 1217 |
| 17 | 1307 |
| 18 | 1367 |
| 19 | 1637 |
| 20 | 1847 |
| 21 | 1907 |
| 22 | 2207 |
| 23 | 2297 |
| 24 | 2357 |
| 25 | 2417 |
| 26 | 2447 |
| 27 | 2477 |
| 28 | 2777 |
| 29 | 2837 |
| 30 | 2897 |
| 31 | 2927 |
| 32 | 2957 |
| 33 | 3137 |
| 34 | 3347 |
| 35 | 3407 |
| 36 | 3617 |
| 37 | 3677 |
| 38 | 3797 |
| 39 | 3947 |
| 40 | 4007 |
| 41 | 4397 |