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 | 1 |
| 2 | 5 |
| 3 | 12 |
| 4 | 43 |
| 5 | 106 |
| 6 | 321 |
| 7 | 787 |
| 8 | 1960 |
| 9 | 4354 |
| 10 | 9386 |
| 11 | 18790 |
| 12 | 36362 |
| 13 | 66789 |
| 14 | 118936 |
| 15 | 203840 |
| 16 | 340195 |
| 17 | 551192 |
| 18 | 873343 |
| 19 | 1351457 |
| 20 | 2052221 |
| 21 | 3056798 |
| 22 | 4480565 |
| 23 | 6462678 |
| 24 | 9194098 |
| 25 | 12902867 |
| 26 | 17892986 |
| 27 | 24524478 |
| 28 | 33265476 |
| 29 | 44666016 |
| 30 | 59426834 |
| 31 | 78364873 |
| 32 | 102502765 |
| 33 | 133024660 |
| 34 | 171390035 |
| 35 | 219278224 |