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) |
|---|---|
| 1 | 4 |
| 2 | 8 |
| 3 | 10 |
| 4 | 8 |
| 5 | 14 |
| 6 | 14 |
| 7 | 11 |
| 8 | 24 |
| 9 | 10 |
| 10 | 20 |
| 11 | 37 |
| 12 | -10 |
| 13 | 56 |
| 14 | 26 |
| 15 | -52 |
| 16 | 260 |
| 17 | -659 |
| 18 | 2393 |
| 19 | -8128 |
| 20 | 25703 |
| 21 | -72318 |
| 22 | 184486 |
| 23 | -430901 |
| 24 | 933125 |
| 25 | -1888651 |
| 26 | 3597261 |
| 27 | -6479654 |
| 28 | 11086964 |
| 29 | -18096083 |
| 30 | 28307672 |
| 31 | -42644743 |
| 32 | 62031050 |
| 33 | -86466235 |
| 34 | 110902085 |
| 35 | -110907437 |
| 36 | 52379 |
| 37 | 483682985 |