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 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | -1 |
| 4 | -7 |
| 5 | -15 |
| 6 | -28 |
| 7 | -43 |
| 8 | -61 |
| 9 | -80 |
| 10 | -100 |
| 11 | -119 |
| 12 | -137 |
| 13 | -151 |
| 14 | -162 |
| 15 | -167 |
| 16 | -167 |
| 17 | -161 |
| 18 | -147 |
| 19 | -125 |
| 20 | -95 |
| 21 | -57 |
| 22 | -11 |
| 23 | 44 |
| 24 | 107 |
| 25 | 177 |
| 26 | 255 |
| 27 | 339 |
| 28 | 429 |
| 29 | 524 |
| 30 | 623 |
| 31 | 725 |
| 32 | 830 |
| 33 | 935 |
| 34 | 1040 |
| 35 | 1143 |
| 36 | 1244 |
| 37 | 1342 |
| 38 | 1434 |
| 39 | 1520 |
| 40 | 1599 |
| 41 | 1669 |
| 42 | 1730 |
| 43 | 1780 |
| 44 | 1819 |
| 45 | 1845 |
| 46 | 1858 |
| 47 | 1857 |
| 48 | 1841 |
| 49 | 1810 |
| 50 | 1763 |
| 51 | 1700 |
| 52 | 1621 |
| 53 | 1525 |