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 | 3 |
| 2 | 12 |
| 3 | 13 |
| 4 | 14 |
| 5 | 85 |
| 6 | 86 |
| 7 | 87 |
| 8 | 96 |
| 9 | 97 |
| 10 | 102 |
| 11 | 103 |
| 12 | 216 |
| 13 | 217 |
| 14 | 218 |
| 15 | 219 |
| 16 | 230 |
| 17 | 231 |
| 18 | 236 |
| 19 | 237 |
| 20 | 308 |
| 21 | 313 |
| 22 | 314 |
| 23 | 323 |
| 24 | 324 |
| 25 | 325 |
| 26 | 1370 |
| 27 | 1371 |
| 28 | 1372 |
| 29 | 1373 |
| 30 | 1382 |
| 31 | 1383 |
| 32 | 1388 |
| 33 | 1389 |
| 34 | 1446 |
| 35 | 1447 |
| 36 | 1452 |
| 37 | 1453 |
| 38 | 1464 |
| 39 | 1465 |
| 40 | 1466 |
| 41 | 1467 |
| 42 | 1600 |
| 43 | 1601 |
| 44 | 1606 |
| 45 | 1615 |
| 46 | 1616 |
| 47 | 1617 |
| 48 | 1678 |
| 49 | 1679 |
| 50 | 1680 |
| 51 | 1691 |
| 52 | 1692 |
| 53 | 1697 |
| 54 | 1698 |