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 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 4 |
| 5 | 11 |
| 6 | 24 |
| 7 | 50 |
| 8 | 80 |
| 9 | 154 |
| 10 | 220 |
| 11 | 375 |
| 12 | 444 |
| 13 | 781 |
| 14 | 952 |
| 15 | 1456 |
| 16 | 1696 |
| 17 | 2500 |
| 18 | 2466 |
| 19 | 4029 |
| 20 | 4500 |
| 21 | 6175 |
| 22 | 6820 |
| 23 | 9086 |
| 24 | 9024 |
| 25 | 12926 |
| 26 | 13988 |
| 27 | 17875 |
| 28 | 19180 |
| 29 | 24129 |
| 30 | 21480 |
| 31 | 31900 |
| 32 | 33856 |
| 33 | 41416 |
| 34 | 43792 |
| 35 | 52921 |
| 36 | 52956 |
| 37 | 66675 |
| 38 | 69996 |
| 39 | 82954 |
| 40 | 86800 |
| 41 | 102050 |
| 42 | 97734 |
| 43 | 124271 |
| 44 | 129404 |
| 45 | 149941 |