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 | 10 |
| 1 | 14 |
| 2 | 18 |
| 3 | 22 |
| 4 | 30 |
| 5 | 42 |
| 6 | 58 |
| 7 | 78 |
| 8 | 106 |
| 9 | 202 |
| 10 | 394 |
| 11 | 718 |
| 12 | 1394 |
| 13 | 3462 |
| 14 | 9102 |
| 15 | 24894 |
| 16 | 89506 |
| 17 | 333010 |
| 18 | 1736966 |
| 19 | 11427870 |
| 20 | 115192042 |
| 21 | 1619739354 |
| 22 | 29692865822 |
| 23 | 774281794358 |
| 24 | 30458189497450 |
| 25 | 2398956531470254 |
| 26 | 352107219881806722 |
| 27 | 102686460519364138762 |