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 | -2 |
| 2 | -3 |
| 3 | -5 |
| 4 | -6 |
| 5 | -10 |
| 6 | -11 |
| 7 | -17 |
| 8 | -21 |
| 9 | -27 |
| 10 | -33 |
| 11 | -46 |
| 12 | -53 |
| 13 | -68 |
| 14 | -82 |
| 15 | -104 |
| 16 | -123 |
| 17 | -154 |
| 18 | -179 |
| 19 | -221 |
| 20 | -262 |
| 21 | -314 |
| 22 | -369 |
| 23 | -446 |
| 24 | -515 |
| 25 | -614 |
| 26 | -715 |
| 27 | -845 |
| 28 | -977 |
| 29 | -1148 |
| 30 | -1321 |
| 31 | -1544 |
| 32 | -1778 |
| 33 | -2060 |
| 34 | -2361 |
| 35 | -2736 |
| 36 | -3121 |
| 37 | -3592 |
| 38 | -4097 |
| 39 | -4696 |
| 40 | -5340 |
| 41 | -6105 |
| 42 | -6916 |
| 43 | -7882 |
| 44 | -8919 |
| 45 | -10123 |
| 46 | -11429 |
| 47 | -12952 |
| 48 | -14580 |