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 | 6 |
| 1 | 37 |
| 2 | 133 |
| 3 | 364 |
| 4 | 840 |
| 5 | 1722 |
| 6 | 3234 |
| 7 | 5676 |
| 8 | 9438 |
| 9 | 15015 |
| 10 | 23023 |
| 11 | 34216 |
| 12 | 49504 |
| 13 | 69972 |
| 14 | 96900 |
| 15 | 131784 |
| 16 | 176358 |
| 17 | 232617 |
| 18 | 302841 |
| 19 | 389620 |
| 20 | 495880 |
| 21 | 624910 |
| 22 | 780390 |
| 23 | 966420 |
| 24 | 1187550 |
| 25 | 1448811 |
| 26 | 1755747 |
| 27 | 2114448 |
| 28 | 2531584 |
| 29 | 3014440 |
| 30 | 3570952 |
| 31 | 4209744 |