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 | 1 |
| 2 | 2 |
| 3 | 21 |
| 4 | 26 |
| 5 | 47 |
| 6 | 65 |
| 7 | 99 |
| 8 | 102 |
| 9 | 206 |
| 10 | 215 |
| 11 | 216 |
| 12 | 257 |
| 13 | 294 |
| 14 | 342 |
| 15 | 437 |
| 16 | 441 |
| 17 | 537 |
| 18 | 540 |
| 19 | 702 |
| 20 | 747 |
| 21 | 837 |
| 22 | 860 |
| 23 | 909 |
| 24 | 912 |
| 25 | 921 |
| 26 | 926 |
| 27 | 942 |
| 28 | 1020 |
| 29 | 1071 |
| 30 | 1101 |
| 31 | 1112 |
| 32 | 1125 |
| 33 | 1181 |
| 34 | 1254 |
| 35 | 1266 |
| 36 | 1322 |
| 37 | 1344 |
| 38 | 1364 |
| 39 | 1370 |
| 40 | 1406 |
| 41 | 1422 |
| 42 | 1665 |
| 43 | 1814 |
| 44 | 1821 |
| 45 | 1829 |
| 46 | 1905 |
| 47 | 2024 |