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 | 9 |
| 2 | 72 |
| 3 | 135 |
| 4 | 198 |
| 5 | 261 |
| 6 | 324 |
| 7 | 387 |
| 8 | 450 |
| 9 | 513 |
| 10 | 576 |
| 11 | 737 |
| 12 | 800 |
| 13 | 863 |
| 14 | 926 |
| 15 | 989 |
| 16 | 1052 |
| 17 | 1115 |
| 18 | 1178 |
| 19 | 1241 |
| 20 | 1465 |
| 21 | 1528 |
| 22 | 1591 |
| 23 | 1654 |
| 24 | 1717 |
| 25 | 1780 |
| 26 | 1843 |
| 27 | 1906 |
| 28 | 2193 |
| 29 | 2256 |
| 30 | 2319 |
| 31 | 2382 |
| 32 | 2445 |
| 33 | 2508 |
| 34 | 2571 |
| 35 | 2921 |
| 36 | 2984 |
| 37 | 3047 |
| 38 | 3110 |
| 39 | 3173 |
| 40 | 3236 |
| 41 | 3649 |
| 42 | 3712 |
| 43 | 3775 |
| 44 | 3838 |
| 45 | 3901 |
| 46 | 4104 |
| 47 | 4167 |
| 48 | 4230 |