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 | 570 |
| 1 | 870 |
| 2 | 1290 |
| 3 | 1878 |
| 4 | 1890 |
| 5 | 3870 |
| 6 | 6426 |
| 7 | 10854 |
| 8 | 13830 |
| 9 | 19434 |
| 10 | 20886 |
| 11 | 21606 |
| 12 | 25098 |
| 13 | 26742 |
| 14 | 26754 |
| 15 | 40446 |
| 16 | 63234 |
| 17 | 77406 |
| 18 | 110754 |
| 19 | 171486 |
| 20 | 253458 |
| 21 | 295740 |
| 22 | 647748 |
| 23 | 1077612 |
| 24 | 1467588 |
| 25 | 1956812 |
| 26 | 2109796 |
| 27 | 1889486 |
| 28 | 953914 |
| 29 | 668966 |
| 30 | 353578 |
| 31 | 176792 |