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 | 6 |
| 2 | 27 |
| 3 | 92 |
| 4 | 273 |
| 5 | 714 |
| 6 | 1715 |
| 7 | 3816 |
| 8 | 8007 |
| 9 | 15938 |
| 10 | 30381 |
| 11 | 55692 |
| 12 | 98735 |
| 13 | 169806 |
| 14 | 284349 |
| 15 | 464672 |
| 16 | 742950 |
| 17 | 1164228 |
| 18 | 1791426 |
| 19 | 2710344 |
| 20 | 4037670 |
| 21 | 5928988 |
| 22 | 8591154 |
| 23 | 12294672 |
| 24 | 17392258 |
| 25 | 24337404 |
| 26 | 33711510 |
| 27 | 46251016 |
| 28 | 62886162 |
| 29 | 84779748 |