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 | 1 |
| 1 | 3 |
| 2 | 6 |
| 3 | 13 |
| 4 | 24 |
| 5 | 39 |
| 6 | 64 |
| 7 | 99 |
| 8 | 144 |
| 9 | 212 |
| 10 | 303 |
| 11 | 417 |
| 12 | 578 |
| 13 | 786 |
| 14 | 1041 |
| 15 | 1382 |
| 16 | 1809 |
| 17 | 2322 |
| 18 | 2985 |
| 19 | 3798 |
| 20 | 4761 |
| 21 | 5973 |
| 22 | 7434 |
| 23 | 9144 |
| 24 | 11247 |
| 25 | 13743 |
| 26 | 16632 |
| 27 | 20126 |
| 28 | 24225 |
| 29 | 28929 |
| 30 | 34541 |
| 31 | 41061 |
| 32 | 48489 |
| 33 | 57242 |
| 34 | 67320 |
| 35 | 78723 |
| 36 | 92029 |
| 37 | 107238 |
| 38 | 124350 |
| 39 | 144151 |
| 40 | 166641 |
| 41 | 191820 |
| 42 | 220729 |
| 43 | 253368 |
| 44 | 289737 |
| 45 | 331218 |
| 46 | 377811 |