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) |
|---|---|
| 0 | 0 |
| 1 | 3 |
| 2 | 6 |
| 3 | 12 |
| 4 | 18 |
| 5 | 33 |
| 6 | 33 |
| 7 | 66 |
| 8 | 66 |
| 9 | 93 |
| 10 | 96 |
| 11 | 168 |
| 12 | 117 |
| 13 | 237 |
| 14 | 195 |
| 15 | 222 |
| 16 | 258 |
| 17 | 411 |
| 18 | 276 |
| 19 | 516 |
| 20 | 348 |
| 21 | 453 |
| 22 | 501 |
| 23 | 762 |
| 24 | 453 |
| 25 | 783 |
| 26 | 708 |
| 27 | 822 |
| 28 | 711 |
| 29 | 1221 |
| 30 | 663 |
| 31 | 1398 |
| 32 | 1026 |
| 33 | 1167 |
| 34 | 1230 |
| 35 | 1356 |
| 36 | 1008 |
| 37 | 2001 |
| 38 | 1545 |
| 39 | 1650 |
| 40 | 1356 |
| 41 | 2463 |
| 42 | 1356 |
| 43 | 2712 |
| 44 | 1833 |
| 45 | 1923 |
| 46 | 2283 |
| 47 | 3246 |
| 48 | 1797 |
| 49 | 3153 |
| 50 | 2346 |
| 51 | 2868 |
| 52 | 2592 |
| 53 | 4137 |