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 | 5 |
| 2 | 15 |
| 3 | 34 |
| 4 | 62 |
| 5 | 90 |
| 6 | 91 |
| 7 | 11 |
| 8 | -231 |
| 9 | -716 |
| 10 | -1444 |
| 11 | -2172 |
| 12 | -2171 |
| 13 | 17 |
| 14 | 6579 |
| 15 | 19702 |
| 16 | 39386 |
| 17 | 59070 |
| 18 | 59071 |
| 19 | 23 |
| 20 | -177123 |
| 21 | -531416 |
| 22 | -1062856 |
| 23 | -1594296 |
| 24 | -1594295 |
| 25 | 29 |
| 26 | 4782999 |
| 27 | 14348938 |
| 28 | 28697846 |
| 29 | 43046754 |
| 30 | 43046755 |
| 31 | 35 |
| 32 | -129140127 |
| 33 | -387420452 |
| 34 | -774840940 |
| 35 | -1162261428 |