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 | 1 |
| 3 | 1 |
| 4 | -8 |
| 5 | 1 |
| 6 | 1 |
| 7 | 190 |
| 8 | 190 |
| 9 | 1 |
| 10 | 1 |
| 11 | -14822 |
| 12 | -14624 |
| 13 | -14822 |
| 14 | 1 |
| 15 | 1 |
| 16 | 3557278 |
| 17 | 3542464 |
| 18 | 3542464 |
| 19 | 3557278 |
| 20 | 1 |
| 21 | 1 |
| 22 | -2582583830 |
| 23 | -2579026544 |
| 24 | -2579041556 |
| 25 | -2579026544 |
| 26 | -2582583830 |
| 27 | 1 |
| 28 | 1 |
| 29 | 5640363084718 |
| 30 | 5637780500896 |
| 31 | 5637784057984 |
| 32 | 5637784057984 |
| 33 | 5637780500896 |
| 34 | 5640363084718 |
| 35 | 1 |