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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 3 |
| 24 | 3 |
| 25 | 8 |
| 26 | 17 |
| 27 | 111 |
| 28 | 236 |
| 29 | 419 |
| 30 | 2475 |
| 31 | 3741 |
| 32 | 4123 |
| 33 | 5563 |
| 34 | 5622 |
| 35 | 18000 |
| 36 | 33641 |
| 37 | 42744 |
| 38 | 130605 |
| 39 | 696987 |
| 40 | 975174 |
| 41 | 1034590 |
| 42 | 2806140 |
| 43 | 14026897 |
| 44 | 14137435 |
| 45 | 65788323 |
| 46 | 73121589 |
| 47 | 229261119 |