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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 5 |
| 7 | 1 |
| 8 | 9 |
| 9 | 7 |
| 10 | 19 |
| 11 | 1 |
| 12 | 45 |
| 13 | 1 |
| 14 | 83 |
| 15 | 79 |
| 16 | 165 |
| 17 | 1 |
| 18 | 417 |
| 19 | 1 |
| 20 | 827 |
| 21 | 639 |
| 22 | 1575 |
| 23 | 1 |
| 24 | 3875 |
| 25 | 927 |
| 26 | 7025 |
| 27 | 5069 |
| 28 | 14689 |
| 29 | 1 |
| 30 | 35461 |
| 31 | 1 |
| 32 | 64199 |
| 33 | 47175 |
| 34 | 128399 |
| 35 | 52727 |
| 36 | 309767 |
| 37 | 1 |
| 38 | 566565 |
| 39 | 409567 |
| 40 | 1186863 |
| 41 | 1 |
| 42 | 2835257 |
| 43 | 1 |
| 44 | 5202425 |
| 45 | 4888729 |
| 46 | 10357675 |
| 47 | 1 |
| 48 | 26066615 |