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 | 30 |
| 2 | 66 |
| 3 | 138 |
| 4 | 282 |
| 5 | 354 |
| 6 | 498 |
| 7 | 642 |
| 8 | 1002 |
| 9 | 1074 |
| 10 | 1362 |
| 11 | 1434 |
| 12 | 1578 |
| 13 | 2082 |
| 14 | 2154 |
| 15 | 2298 |
| 16 | 2478 |
| 17 | 2658 |
| 18 | 2730 |
| 19 | 2802 |
| 20 | 2874 |
| 21 | 3018 |
| 22 | 3378 |
| 23 | 3486 |
| 24 | 3522 |
| 25 | 3882 |
| 26 | 3954 |
| 27 | 4314 |
| 28 | 4494 |
| 29 | 4962 |
| 30 | 5034 |
| 31 | 5178 |
| 32 | 5322 |
| 33 | 5898 |
| 34 | 6114 |
| 35 | 7122 |
| 36 | 7338 |
| 37 | 7518 |
| 38 | 7554 |
| 39 | 7590 |
| 40 | 7698 |
| 41 | 7842 |
| 42 | 7914 |
| 43 | 8202 |
| 44 | 8634 |
| 45 | 8922 |