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 | 4 |
| 2 | 1 |
| 3 | 17 |
| 4 | 7 |
| 5 | 1 |
| 6 | 75 |
| 7 | 39 |
| 8 | 10 |
| 9 | 1 |
| 10 | 339 |
| 11 | 202 |
| 12 | 70 |
| 13 | 13 |
| 14 | 1 |
| 15 | 1558 |
| 16 | 1015 |
| 17 | 425 |
| 18 | 110 |
| 19 | 16 |
| 20 | 1 |
| 21 | 7247 |
| 22 | 5028 |
| 23 | 2400 |
| 24 | 771 |
| 25 | 159 |
| 26 | 19 |
| 27 | 1 |
| 28 | 34016 |
| 29 | 24731 |
| 30 | 12999 |
| 31 | 4872 |
| 32 | 1267 |
| 33 | 217 |
| 34 | 22 |
| 35 | 1 |
| 36 | 160795 |
| 37 | 121208 |
| 38 | 68600 |
| 39 | 28882 |
| 40 | 8890 |
| 41 | 1940 |
| 42 | 284 |
| 43 | 25 |
| 44 | 1 |
| 45 | 764388 |
| 46 | 593019 |
| 47 | 355890 |
| 48 | 164136 |