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 | 23 |
| 2 | 69 |
| 3 | 138 |
| 4 | 230 |
| 5 | 345 |
| 6 | 483 |
| 7 | 644 |
| 8 | 828 |
| 9 | 1035 |
| 10 | 1265 |
| 11 | 1518 |
| 12 | 1794 |
| 13 | 2093 |
| 14 | 2415 |
| 15 | 2760 |
| 16 | 3128 |
| 17 | 3519 |
| 18 | 3933 |
| 19 | 4370 |
| 20 | 4830 |
| 21 | 5313 |
| 22 | 5819 |
| 23 | 6348 |
| 24 | 6900 |
| 25 | 7475 |
| 26 | 8073 |
| 27 | 8694 |
| 28 | 9338 |
| 29 | 10005 |
| 30 | 10695 |
| 31 | 11408 |
| 32 | 12144 |
| 33 | 12903 |
| 34 | 13685 |
| 35 | 14490 |
| 36 | 15318 |
| 37 | 16169 |
| 38 | 17043 |
| 39 | 17940 |
| 40 | 18860 |