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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 5 |
| 3 | 14 |
| 4 | 39 |
| 5 | 75 |
| 6 | 124 |
| 7 | 224 |
| 8 | 345 |
| 9 | 514 |
| 10 | 710 |
| 11 | 935 |
| 12 | 1224 |
| 13 | 1585 |
| 14 | 2026 |
| 15 | 2510 |
| 16 | 3039 |
| 17 | 3715 |
| 18 | 4556 |
| 19 | 5456 |
| 20 | 6417 |
| 21 | 7506 |
| 22 | 8662 |
| 23 | 9887 |
| 24 | 11256 |
| 25 | 12700 |
| 26 | 14221 |
| 27 | 15902 |
| 28 | 17666 |
| 29 | 19515 |
| 30 | 21631 |
| 31 | 23840 |
| 32 | 26441 |
| 33 | 29250 |
| 34 | 32275 |
| 35 | 35524 |
| 36 | 38888 |
| 37 | 42369 |
| 38 | 46090 |
| 39 | 49934 |
| 40 | 54159 |