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 | 64 |
| 2 | 96 |
| 3 | 4644 |
| 4 | 4944 |
| 5 | 6664 |
| 6 | 6966 |
| 7 | 9464 |
| 8 | 9996 |
| 9 | 44464 |
| 10 | 44944 |
| 11 | 46496 |
| 12 | 46644 |
| 13 | 49644 |
| 14 | 49696 |
| 15 | 64449 |
| 16 | 64496 |
| 17 | 66444 |
| 18 | 66696 |
| 19 | 69444 |
| 20 | 69496 |
| 21 | 69966 |
| 22 | 94496 |
| 23 | 94644 |
| 24 | 94696 |
| 25 | 96496 |
| 26 | 96944 |
| 27 | 99666 |
| 28 | 99944 |
| 29 | 444496 |
| 30 | 444664 |
| 31 | 444696 |
| 32 | 444996 |
| 33 | 446664 |
| 34 | 446944 |
| 35 | 446964 |
| 36 | 449469 |
| 37 | 449694 |
| 38 | 449964 |
| 39 | 464496 |
| 40 | 464646 |
| 41 | 464664 |
| 42 | 464994 |
| 43 | 469464 |
| 44 | 494494 |
| 45 | 494944 |
| 46 | 494949 |
| 47 | 494964 |
| 48 | 496464 |
| 49 | 499446 |
| 50 | 499944 |
| 51 | 644464 |
| 52 | 644944 |