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 | 5 |
| 1 | 7 |
| 2 | 13 |
| 3 | 17 |
| 4 | 35 |
| 5 | 73 |
| 6 | 97 |
| 7 | 203 |
| 8 | 425 |
| 9 | 565 |
| 10 | 1183 |
| 11 | 2477 |
| 12 | 3293 |
| 13 | 6895 |
| 14 | 14437 |
| 15 | 19193 |
| 16 | 40187 |
| 17 | 84145 |
| 18 | 111865 |
| 19 | 234227 |
| 20 | 490433 |
| 21 | 651997 |
| 22 | 1365175 |
| 23 | 2858453 |
| 24 | 3800117 |
| 25 | 7956823 |
| 26 | 16660285 |
| 27 | 22148705 |
| 28 | 46375763 |
| 29 | 97103257 |
| 30 | 129092113 |
| 31 | 270297755 |
| 32 | 565959257 |
| 33 | 752403973 |
| 34 | 1575410767 |