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 | 4 |
| 4 | 7 |
| 5 | 12 |
| 6 | 19 |
| 7 | 29 |
| 8 | 43 |
| 9 | 64 |
| 10 | 95 |
| 11 | 142 |
| 12 | 211 |
| 13 | 317 |
| 14 | 480 |
| 15 | 726 |
| 16 | 1096 |
| 17 | 1644 |
| 18 | 2458 |
| 19 | 3669 |
| 20 | 5480 |
| 21 | 8204 |
| 22 | 12327 |
| 23 | 18628 |
| 24 | 28284 |
| 25 | 43141 |
| 26 | 66067 |
| 27 | 101609 |
| 28 | 156823 |
| 29 | 242640 |
| 30 | 376282 |
| 31 | 584667 |
| 32 | 910022 |
| 33 | 1418818 |
| 34 | 2214963 |
| 35 | 3461469 |
| 36 | 5414729 |
| 37 | 8477946 |
| 38 | 13286504 |
| 39 | 20840758 |
| 40 | 32716407 |
| 41 | 51395904 |