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 | 157 |
| 3 | 167 |
| 4 | 257 |
| 5 | 367 |
| 6 | 557 |
| 7 | 587 |
| 8 | 607 |
| 9 | 647 |
| 10 | 677 |
| 11 | 727 |
| 12 | 947 |
| 13 | 977 |
| 14 | 1097 |
| 15 | 1117 |
| 16 | 1187 |
| 17 | 1217 |
| 18 | 1367 |
| 19 | 1657 |
| 20 | 1747 |
| 21 | 1777 |
| 22 | 1907 |
| 23 | 1987 |
| 24 | 2207 |
| 25 | 2287 |
| 26 | 2417 |
| 27 | 2467 |
| 28 | 2677 |
| 29 | 2837 |
| 30 | 2897 |
| 31 | 2957 |
| 32 | 3307 |
| 33 | 3407 |
| 34 | 3607 |
| 35 | 3617 |
| 36 | 3637 |
| 37 | 3727 |
| 38 | 3797 |
| 39 | 4007 |
| 40 | 4357 |
| 41 | 4457 |
| 42 | 4507 |
| 43 | 4597 |
| 44 | 4657 |
| 45 | 4937 |
| 46 | 4987 |