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 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 6 |
| 8 | 10 |
| 9 | 17 |
| 10 | 21 |
| 11 | 26 |
| 12 | 70 |
| 13 | 63 |
| 14 | 125 |
| 15 | 290 |
| 16 | 314 |
| 17 | 411 |
| 18 | 1121 |
| 19 | 1098 |
| 20 | 2558 |
| 21 | 5005 |
| 22 | 5909 |
| 23 | 8054 |
| 24 | 23210 |
| 25 | 26589 |
| 26 | 44301 |
| 27 | 88826 |
| 28 | 134554 |
| 29 | 170823 |
| 30 | 598805 |
| 31 | 478318 |
| 32 | 908194 |
| 33 | 2155345 |
| 34 | 2690421 |
| 35 | 5382190 |
| 36 | 10809394 |
| 37 | 10761723 |
| 38 | 21523445 |
| 39 | 48449998 |
| 40 | 72956830 |
| 41 | 87169619 |