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 | 0 |
| 1 | 1 |
| 2 | 90 |
| 3 | 1262 |
| 4 | 8192 |
| 5 | 34938 |
| 6 | 114283 |
| 7 | 311269 |
| 8 | 741455 |
| 9 | 1594323 |
| 10 | 3162277 |
| 11 | 5875603 |
| 12 | 10343751 |
| 13 | 17403307 |
| 14 | 28172943 |
| 15 | 44115700 |
| 16 | 67108864 |
| 17 | 99521746 |
| 18 | 144301645 |
| 19 | 205068240 |
| 20 | 286216701 |
| 21 | 393029741 |
| 22 | 531798888 |
| 23 | 709955183 |
| 24 | 936209559 |
| 25 | 1220703125 |