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 | 14 |
| 1 | 29 |
| 2 | 59 |
| 3 | 119 |
| 4 | 239 |
| 5 | 479 |
| 6 | 959 |
| 7 | 1919 |
| 8 | 3839 |
| 9 | 7679 |
| 10 | 15359 |
| 11 | 30719 |
| 12 | 61439 |
| 13 | 122879 |
| 14 | 245759 |
| 15 | 491519 |
| 16 | 983039 |
| 17 | 1966079 |
| 18 | 3932159 |
| 19 | 7864319 |
| 20 | 15728639 |
| 21 | 31457279 |
| 22 | 62914559 |
| 23 | 125829119 |
| 24 | 251658239 |
| 25 | 503316479 |
| 26 | 1006632959 |
| 27 | 2013265919 |
| 28 | 4026531839 |
| 29 | 8053063679 |
| 30 | 16106127359 |
| 31 | 32212254719 |
| 32 | 64424509439 |