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 | 3 |
| 2 | 5 |
| 3 | 8 |
| 4 | 12 |
| 5 | 17 |
| 6 | 24 |
| 7 | 33 |
| 8 | 45 |
| 9 | 61 |
| 10 | 83 |
| 11 | 114 |
| 12 | 155 |
| 13 | 210 |
| 14 | 286 |
| 15 | 389 |
| 16 | 529 |
| 17 | 720 |
| 18 | 979 |
| 19 | 1331 |
| 20 | 1810 |
| 21 | 2462 |
| 22 | 3349 |
| 23 | 4554 |
| 24 | 6193 |
| 25 | 8423 |
| 26 | 11455 |
| 27 | 15579 |
| 28 | 21188 |
| 29 | 28815 |
| 30 | 39188 |
| 31 | 53296 |
| 32 | 72483 |
| 33 | 98577 |
| 34 | 134064 |
| 35 | 182327 |
| 36 | 247965 |
| 37 | 337232 |
| 38 | 458636 |
| 39 | 623745 |
| 40 | 848292 |
| 41 | 1153677 |
| 42 | 1569001 |
| 43 | 2133841 |
| 44 | 2902023 |
| 45 | 3946750 |
| 46 | 5367579 |
| 47 | 7299906 |
| 48 | 9927870 |
| 49 | 13501901 |