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 | 14 |
| 2 | 21 |
| 3 | 35 |
| 4 | 63 |
| 5 | 120 |
| 6 | 233 |
| 7 | 459 |
| 8 | 911 |
| 9 | 1816 |
| 10 | 3625 |
| 11 | 7244 |
| 12 | 14481 |
| 13 | 28954 |
| 14 | 57902 |
| 15 | 115798 |
| 16 | 231590 |
| 17 | 463173 |
| 18 | 926340 |
| 19 | 1852673 |
| 20 | 3705340 |
| 21 | 7410673 |
| 22 | 14821340 |
| 23 | 29642673 |
| 24 | 59285340 |
| 25 | 118570674 |
| 26 | 237141341 |
| 27 | 474282675 |
| 28 | 948565344 |
| 29 | 1897130682 |
| 30 | 3794261357 |