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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 6 |
| 7 | 7 |
| 8 | 9 |
| 9 | 12 |
| 10 | 14 |
| 11 | 20 |
| 12 | 22 |
| 13 | 33 |
| 14 | 35 |
| 15 | 54 |
| 16 | 56 |
| 17 | 88 |
| 18 | 90 |
| 19 | 143 |
| 20 | 145 |
| 21 | 232 |
| 22 | 234 |
| 23 | 376 |
| 24 | 378 |
| 25 | 609 |
| 26 | 611 |
| 27 | 986 |
| 28 | 988 |
| 29 | 1596 |
| 30 | 1598 |
| 31 | 2583 |
| 32 | 2585 |
| 33 | 4180 |
| 34 | 4182 |
| 35 | 6764 |
| 36 | 6766 |
| 37 | 10945 |
| 38 | 10947 |
| 39 | 17710 |
| 40 | 17712 |
| 41 | 28656 |
| 42 | 28658 |
| 43 | 46367 |
| 44 | 46369 |
| 45 | 75024 |
| 46 | 75026 |
| 47 | 121392 |
| 48 | 121394 |
| 49 | 196417 |