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 | 2 |
| 2 | -1 |
| 3 | 8 |
| 4 | 1 |
| 5 | -3 |
| 6 | 26 |
| 7 | 7 |
| 8 | -1 |
| 9 | -7 |
| 10 | 80 |
| 11 | 25 |
| 12 | 5 |
| 13 | -5 |
| 14 | -15 |
| 15 | 242 |
| 16 | 79 |
| 17 | 23 |
| 18 | 1 |
| 19 | -13 |
| 20 | -31 |
| 21 | 728 |
| 22 | 241 |
| 23 | 77 |
| 24 | 19 |
| 25 | -7 |
| 26 | -29 |
| 27 | -63 |
| 28 | 2186 |
| 29 | 727 |
| 30 | 239 |
| 31 | 73 |
| 32 | 11 |
| 33 | -23 |
| 34 | -61 |
| 35 | -127 |
| 36 | 6560 |
| 37 | 2185 |
| 38 | 725 |
| 39 | 235 |
| 40 | 65 |
| 41 | -5 |
| 42 | -55 |
| 43 | -125 |
| 44 | -255 |
| 45 | 19682 |
| 46 | 6559 |
| 47 | 2183 |
| 48 | 721 |
| 49 | 227 |
| 50 | 49 |
| 51 | -37 |
| 52 | -119 |
| 53 | -253 |
| 54 | -511 |
| 55 | 59048 |
| 56 | 19681 |
| 57 | 6557 |
| 58 | 2179 |
| 59 | 713 |
| 60 | 211 |
| 61 | 17 |
| 62 | -101 |
| 63 | -247 |
| 64 | -509 |
| 65 | -1023 |