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 | 10 |
| 2 | 36 |
| 3 | 148 |
| 4 | 676 |
| 5 | 3237 |
| 6 | 15876 |
| 7 | 78685 |
| 8 | 391876 |
| 9 | 1955920 |
| 10 | 9771876 |
| 11 | 48842100 |
| 12 | 244171876 |
| 13 | 1220773003 |
| 14 | 6103671876 |
| 15 | 30517927510 |
| 16 | 152588671876 |
| 17 | 762941200054 |
| 18 | 3814701171876 |
| 19 | 19073495062765 |
| 20 | 95367451171876 |
| 21 | 476837201876328 |
| 22 | 2384185888671876 |
| 23 | 11920929173444139 |
| 24 | 59604645263671876 |