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 | 1 |
| 2 | 6 |
| 3 | 23 |
| 4 | 92 |
| 5 | 349 |
| 6 | 1394 |
| 7 | 5491 |
| 8 | 21944 |
| 9 | 87497 |
| 10 | 349902 |
| 11 | 1398479 |
| 12 | 5593892 |
| 13 | 22371109 |
| 14 | 89484074 |
| 15 | 357919803 |
| 16 | 1431678080 |
| 17 | 5726645377 |
| 18 | 22906581142 |
| 19 | 91626057879 |
| 20 | 366504227292 |
| 21 | 1466015859181 |
| 22 | 5864063418866 |
| 23 | 23456249463283 |
| 24 | 93824997852744 |
| 25 | 375299974563657 |
| 26 | 1501199898183502 |