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 | 41 |
| 1 | 88 |
| 2 | 85 |
| 3 | 273 |
| 4 | 456 |
| 5 | 370 |
| 6 | 897 |
| 7 | 418 |
| 8 | 943 |
| 9 | 561 |
| 10 | 1240 |
| 11 | 2457 |
| 12 | 13860 |
| 13 | 47652 |
| 14 | 208380 |
| 15 | 234724 |
| 16 | 1687203 |
| 17 | 8509066 |
| 18 | 67089945 |
| 19 | 13299944 |
| 20 | 72454532 |
| 21 | 940541150 |
| 22 | 820208766 |
| 23 | 5192523560 |
| 24 | 13313765208 |
| 25 | 46414871454 |
| 26 | 6589784048694 |
| 27 | 93614939731600 |