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 | -6 |
| 2 | 9 |
| 3 | 10 |
| 4 | -30 |
| 5 | 1 |
| 6 | 5 |
| 7 | 51 |
| 8 | 10 |
| 9 | -100 |
| 10 | 20 |
| 11 | -55 |
| 12 | 109 |
| 13 | 110 |
| 14 | -130 |
| 15 | -1 |
| 16 | -110 |
| 17 | 160 |
| 18 | 10 |
| 19 | -230 |
| 20 | 100 |
| 21 | 15 |
| 22 | 191 |
| 23 | 120 |
| 24 | -230 |
| 25 | -100 |
| 26 | -89 |
| 27 | 160 |
| 28 | 90 |
| 29 | -340 |
| 30 | 120 |
| 31 | 5 |
| 32 | 300 |
| 33 | 200 |
| 34 | -260 |
| 35 | -1 |
| 36 | -275 |
| 37 | 240 |
| 38 | -100 |
| 39 | -270 |
| 40 | 119 |
| 41 | -165 |
| 42 | 260 |
| 43 | 410 |
| 44 | -200 |
| 45 | -40 |
| 46 | 20 |
| 47 | 200 |
| 48 | -110 |
| 49 | -500 |
| 50 | 180 |
| 51 | -54 |
| 52 | 140 |