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 | 15 |
| 3 | 40 |
| 4 | 147 |
| 5 | 156 |
| 6 | 600 |
| 7 | 400 |
| 8 | 1275 |
| 9 | 1183 |
| 10 | 2340 |
| 11 | 1464 |
| 12 | 5880 |
| 13 | 2380 |
| 14 | 6000 |
| 15 | 6240 |
| 16 | 10571 |
| 17 | 5220 |
| 18 | 17745 |
| 19 | 7240 |
| 20 | 22932 |
| 21 | 16000 |
| 22 | 21960 |
| 23 | 12720 |
| 24 | 51000 |
| 25 | 20181 |
| 26 | 35700 |
| 27 | 32800 |
| 28 | 58800 |
| 29 | 25260 |
| 30 | 93600 |
| 31 | 30784 |
| 32 | 85995 |
| 33 | 58560 |
| 34 | 78300 |
| 35 | 62400 |
| 36 | 173901 |
| 37 | 52060 |
| 38 | 108600 |
| 39 | 95200 |
| 40 | 198900 |
| 41 | 70644 |