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 | 8 |
| 3 | 0 |
| 4 | 25 |
| 5 | -7 |
| 6 | 56 |
| 7 | -24 |
| 8 | 105 |
| 9 | -55 |
| 10 | 176 |
| 11 | -104 |
| 12 | 273 |
| 13 | -175 |
| 14 | 400 |
| 15 | -272 |
| 16 | 561 |
| 17 | -399 |
| 18 | 760 |
| 19 | -560 |
| 20 | 1001 |
| 21 | -759 |
| 22 | 1288 |
| 23 | -1000 |
| 24 | 1625 |
| 25 | -1287 |
| 26 | 2016 |
| 27 | -1624 |
| 28 | 2465 |
| 29 | -2015 |
| 30 | 2976 |
| 31 | -2464 |
| 32 | 3553 |
| 33 | -2975 |
| 34 | 4200 |
| 35 | -3552 |
| 36 | 4921 |
| 37 | -4199 |
| 38 | 5720 |
| 39 | -4920 |
| 40 | 6601 |
| 41 | -5719 |
| 42 | 7568 |
| 43 | -6600 |
| 44 | 8625 |
| 45 | -7567 |
| 46 | 9776 |
| 47 | -8624 |