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) |
|---|---|
| 1 | 0 |
| 2 | 162 |
| 3 | 171 |
| 4 | 351 |
| 5 | 468 |
| 6 | 558 |
| 7 | 1620 |
| 8 | 1710 |
| 9 | 2106 |
| 10 | 3321 |
| 11 | 3510 |
| 12 | 4023 |
| 13 | 4680 |
| 14 | 5121 |
| 15 | 5247 |
| 16 | 5544 |
| 17 | 5580 |
| 18 | 5868 |
| 19 | 8001 |
| 20 | 10008 |
| 21 | 10071 |
| 22 | 10224 |
| 23 | 10305 |
| 24 | 10503 |
| 25 | 10818 |
| 26 | 11025 |
| 27 | 11241 |
| 28 | 11511 |
| 29 | 12321 |
| 30 | 12654 |
| 31 | 12888 |
| 32 | 13239 |
| 33 | 14004 |
| 34 | 14301 |
| 35 | 15471 |
| 36 | 15876 |
| 37 | 16011 |
| 38 | 16200 |
| 39 | 16218 |
| 40 | 17100 |