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 | 1 |
| 3 | 4 |
| 4 | 7 |
| 5 | 20 |
| 6 | 16 |
| 7 | 56 |
| 8 | 50 |
| 9 | 93 |
| 10 | 80 |
| 11 | 220 |
| 12 | 110 |
| 13 | 364 |
| 14 | 224 |
| 15 | 340 |
| 16 | 372 |
| 17 | 816 |
| 18 | 354 |
| 19 | 1140 |
| 20 | 580 |
| 21 | 966 |
| 22 | 880 |
| 23 | 2024 |
| 24 | 820 |
| 25 | 2200 |
| 26 | 1456 |
| 27 | 2304 |
| 28 | 1666 |
| 29 | 4060 |
| 30 | 1240 |
| 31 | 4960 |
| 32 | 2856 |
| 33 | 3850 |
| 34 | 3264 |
| 35 | 5180 |
| 36 | 2706 |
| 37 | 8436 |
| 38 | 4560 |
| 39 | 6396 |
| 40 | 4440 |
| 41 | 11480 |
| 42 | 3612 |
| 43 | 13244 |
| 44 | 6710 |
| 45 | 8400 |
| 46 | 8096 |
| 47 | 17296 |
| 48 | 6344 |
| 49 | 17297 |
| 50 | 8600 |