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 | 1 |
| 2 | 2 |
| 3 | 8 |
| 4 | 20 |
| 5 | 36 |
| 6 | 48 |
| 7 | 128 |
| 8 | 260 |
| 9 | 272 |
| 10 | 276 |
| 11 | 292 |
| 12 | 304 |
| 13 | 308 |
| 14 | 320 |
| 15 | 516 |
| 16 | 532 |
| 17 | 544 |
| 18 | 548 |
| 19 | 560 |
| 20 | 564 |
| 21 | 576 |
| 22 | 768 |
| 23 | 784 |
| 24 | 788 |
| 25 | 800 |
| 26 | 804 |
| 27 | 1040 |
| 28 | 1056 |
| 29 | 2064 |
| 30 | 2068 |
| 31 | 2080 |
| 32 | 2084 |
| 33 | 2096 |
| 34 | 2100 |
| 35 | 2112 |
| 36 | 2304 |
| 37 | 2308 |
| 38 | 2324 |
| 39 | 2336 |
| 40 | 2352 |
| 41 | 2560 |
| 42 | 2564 |
| 43 | 2576 |
| 44 | 2596 |
| 45 | 2608 |
| 46 | 2816 |
| 47 | 2820 |
| 48 | 2832 |
| 49 | 2848 |