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 | 7 |
| 3 | 77 |
| 4 | 107 |
| 5 | 150 |
| 6 | 167 |
| 7 | 7091 |
| 8 | 27852 |
| 9 | 31790 |
| 10 | 34069 |
| 11 | 327724 |
| 12 | 416403 |
| 13 | 4669290 |
| 14 | 20206510 |
| 15 | 2218014305 |
| 16 | 4524826037 |
| 17 | 4576058224 |
| 18 | 5496581959 |
| 19 | 15869888136 |
| 20 | 91151928112 |
| 21 | 104430320239 |
| 22 | 202761572952 |
| 23 | 218933128153 |
| 24 | 937032410920 |
| 25 | 1044739832405 |
| 26 | 15262515810234 |