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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 4 |
| 8 | 7 |
| 9 | 8 |
| 10 | 11 |
| 11 | 12 |
| 12 | 18 |
| 13 | 19 |
| 14 | 26 |
| 15 | 29 |
| 16 | 37 |
| 17 | 40 |
| 18 | 51 |
| 19 | 53 |
| 20 | 65 |
| 21 | 68 |
| 22 | 79 |
| 23 | 80 |
| 24 | 92 |
| 25 | 87 |
| 26 | 94 |
| 27 | 84 |
| 28 | 82 |
| 29 | 58 |
| 30 | 45 |
| 31 | -1 |
| 32 | -36 |
| 33 | -109 |
| 34 | -180 |
| 35 | -297 |
| 36 | -413 |
| 37 | -594 |
| 38 | -780 |
| 39 | -1042 |
| 40 | -1325 |
| 41 | -1704 |
| 42 | -2112 |
| 43 | -2647 |
| 44 | -3228 |
| 45 | -3961 |
| 46 | -4772 |
| 47 | -5769 |
| 48 | -6867 |
| 49 | -8206 |
| 50 | -9682 |
| 51 | -11446 |
| 52 | -13402 |
| 53 | -15710 |