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 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 6 |
| 4 | 17 |
| 5 | 18 |
| 6 | 61 |
| 7 | 62 |
| 8 | 233 |
| 9 | 234 |
| 10 | 917 |
| 11 | 918 |
| 12 | 3649 |
| 13 | 3650 |
| 14 | 14573 |
| 15 | 14574 |
| 16 | 58265 |
| 17 | 58266 |
| 18 | 233029 |
| 19 | 233030 |
| 20 | 932081 |
| 21 | 932082 |
| 22 | 3728285 |
| 23 | 3728286 |
| 24 | 14913097 |
| 25 | 14913098 |
| 26 | 59652341 |
| 27 | 59652342 |
| 28 | 238609313 |
| 29 | 238609314 |
| 30 | 954437197 |
| 31 | 954437198 |
| 32 | 3817748729 |
| 33 | 3817748730 |