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 | 1 |
| 2 | -2 |
| 3 | -5 |
| 4 | -5 |
| 5 | -8 |
| 6 | -11 |
| 7 | -11 |
| 8 | -14 |
| 9 | -17 |
| 10 | -17 |
| 11 | -20 |
| 12 | -23 |
| 13 | -23 |
| 14 | -26 |
| 15 | -29 |
| 16 | -29 |
| 17 | -32 |
| 18 | -35 |
| 19 | -35 |
| 20 | -38 |
| 21 | -41 |
| 22 | -41 |
| 23 | -44 |
| 24 | -47 |
| 25 | -47 |
| 26 | -50 |
| 27 | -53 |
| 28 | -53 |
| 29 | -56 |
| 30 | -59 |
| 31 | -59 |
| 32 | -62 |
| 33 | -65 |
| 34 | -65 |
| 35 | -68 |
| 36 | -71 |
| 37 | -71 |
| 38 | -74 |
| 39 | -77 |
| 40 | -77 |
| 41 | -80 |
| 42 | -83 |
| 43 | -83 |
| 44 | -86 |
| 45 | -89 |
| 46 | -89 |
| 47 | -92 |
| 48 | -95 |
| 49 | -95 |
| 50 | -98 |
| 51 | -101 |
| 52 | -101 |
| 53 | -104 |
| 54 | -107 |
| 55 | -107 |
| 56 | -110 |
| 57 | -113 |
| 58 | -113 |