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 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 2 |
| 5 | -5 |
| 6 | -19 |
| 7 | -42 |
| 8 | -76 |
| 9 | -123 |
| 10 | -185 |
| 11 | -264 |
| 12 | -362 |
| 13 | -481 |
| 14 | -623 |
| 15 | -790 |
| 16 | -984 |
| 17 | -1207 |
| 18 | -1461 |
| 19 | -1748 |
| 20 | -2070 |
| 21 | -2429 |
| 22 | -2827 |
| 23 | -3266 |
| 24 | -3748 |
| 25 | -4275 |
| 26 | -4849 |
| 27 | -5472 |
| 28 | -6146 |
| 29 | -6873 |
| 30 | -7655 |
| 31 | -8494 |
| 32 | -9392 |
| 33 | -10351 |
| 34 | -11373 |
| 35 | -12460 |
| 36 | -13614 |
| 37 | -14837 |
| 38 | -16131 |