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 | 6 |
| 2 | 28 |
| 3 | 220 |
| 4 | 284 |
| 5 | 496 |
| 6 | 1184 |
| 7 | 1210 |
| 8 | 2620 |
| 9 | 2924 |
| 10 | 5020 |
| 11 | 5564 |
| 12 | 6232 |
| 13 | 6368 |
| 14 | 8128 |
| 15 | 10744 |
| 16 | 10856 |
| 17 | 12285 |
| 18 | 12496 |
| 19 | 14264 |
| 20 | 14288 |
| 21 | 14316 |
| 22 | 14536 |
| 23 | 14595 |
| 24 | 15472 |
| 25 | 17296 |
| 26 | 17716 |
| 27 | 18416 |
| 28 | 19116 |
| 29 | 19916 |
| 30 | 22744 |
| 31 | 22976 |
| 32 | 31704 |
| 33 | 45946 |
| 34 | 47616 |
| 35 | 48976 |
| 36 | 63020 |
| 37 | 66928 |
| 38 | 66992 |
| 39 | 67095 |
| 40 | 69615 |
| 41 | 71145 |
| 42 | 76084 |
| 43 | 79750 |