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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 11 |
| 7 | 19 |
| 8 | 23 |
| 9 | 43 |
| 10 | 47 |
| 11 | 94 |
| 12 | 139 |
| 13 | 235 |
| 14 | 283 |
| 15 | 517 |
| 16 | 659 |
| 17 | 1081 |
| 18 | 1319 |
| 19 | 2209 |
| 20 | 2879 |
| 21 | 5758 |
| 22 | 8637 |
| 23 | 13301 |
| 24 | 20147 |
| 25 | 30337 |
| 26 | 49727 |
| 27 | 61993 |
| 28 | 103823 |
| 29 | 135313 |
| 30 | 247439 |
| 31 | 366683 |
| 32 | 606743 |
| 33 | 811879 |
| 34 | 1266767 |
| 35 | 1739761 |
| 36 | 2913671 |
| 37 | 3797401 |
| 38 | 5827343 |
| 39 | 8288641 |
| 40 | 16577282 |
| 41 | 22784407 |
| 42 | 37346483 |
| 43 | 58003213 |
| 44 | 81768767 |