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 | -1 |
| 3 | -2 |
| 4 | -10 |
| 5 | -2 |
| 6 | -32 |
| 7 | -4 |
| 8 | -64 |
| 9 | -42 |
| 10 | -54 |
| 11 | -2 |
| 12 | -214 |
| 13 | -4 |
| 14 | -112 |
| 15 | -112 |
| 16 | -316 |
| 17 | -2 |
| 18 | -469 |
| 19 | -4 |
| 20 | -412 |
| 21 | -232 |
| 22 | -168 |
| 23 | -6 |
| 24 | -792 |
| 25 | -90 |
| 26 | -262 |
| 27 | -612 |
| 28 | -860 |
| 29 | -2 |
| 30 | -1208 |
| 31 | -6 |
| 32 | -1216 |
| 33 | -340 |
| 34 | -354 |
| 35 | -320 |
| 36 | -1655 |
| 37 | -4 |
| 38 | -484 |
| 39 | -532 |
| 40 | -1760 |
| 41 | -2 |
| 42 | -2528 |
| 43 | -4 |
| 44 | -1438 |
| 45 | -1850 |
| 46 | -732 |
| 47 | -6 |
| 48 | 160 |
| 49 | -364 |
| 50 | -1863 |
| 51 | -712 |
| 52 | -2210 |
| 53 | -6 |
| 54 | -4596 |
| 55 | -384 |
| 56 | -3696 |
| 57 | -976 |
| 58 | -942 |
| 59 | -2 |