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 | 4 |
| 2 | 8 |
| 3 | 32 |
| 4 | 44 |
| 5 | 104 |
| 6 | 140 |
| 7 | 284 |
| 8 | 464 |
| 9 | 572 |
| 10 | 620 |
| 11 | 644 |
| 12 | 824 |
| 13 | 860 |
| 14 | 1232 |
| 15 | 1292 |
| 16 | 1304 |
| 17 | 1484 |
| 18 | 1700 |
| 19 | 1724 |
| 20 | 1880 |
| 21 | 2084 |
| 22 | 2132 |
| 23 | 2240 |
| 24 | 2312 |
| 25 | 2384 |
| 26 | 2660 |
| 27 | 2732 |
| 28 | 2804 |
| 29 | 3392 |
| 30 | 3464 |
| 31 | 3560 |
| 32 | 3920 |
| 33 | 3932 |
| 34 | 4004 |
| 35 | 4220 |
| 36 | 4244 |
| 37 | 4424 |
| 38 | 4640 |
| 39 | 4724 |
| 40 | 5012 |
| 41 | 5444 |
| 42 | 5480 |
| 43 | 5504 |
| 44 | 5660 |
| 45 | 6092 |
| 46 | 6200 |