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 | 7 |
| 2 | 7 |
| 3 | 14 |
| 4 | 21 |
| 5 | 42 |
| 6 | 70 |
| 7 | 126 |
| 8 | 217 |
| 9 | 378 |
| 10 | 665 |
| 11 | 1162 |
| 12 | 2037 |
| 13 | 3563 |
| 14 | 6237 |
| 15 | 10913 |
| 16 | 19096 |
| 17 | 33418 |
| 18 | 58485 |
| 19 | 102347 |
| 20 | 179109 |
| 21 | 313439 |
| 22 | 548520 |
| 23 | 959910 |
| 24 | 1679839 |
| 25 | 2939720 |
| 26 | 5144510 |
| 27 | 9002889 |
| 28 | 15755061 |
| 29 | 27571355 |
| 30 | 48249873 |
| 31 | 84437276 |
| 32 | 147765233 |
| 33 | 258589156 |
| 34 | 452531023 |
| 35 | 791929292 |