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 | 1 |
| 2 | 3 |
| 3 | -1 |
| 4 | -8 |
| 5 | -2 |
| 6 | 0 |
| 7 | 9 |
| 8 | 1 |
| 9 | -1 |
| 10 | -12 |
| 11 | 0 |
| 12 | 24 |
| 13 | 21 |
| 14 | 3 |
| 15 | -9 |
| 16 | -28 |
| 17 | -2 |
| 18 | 8 |
| 19 | 29 |
| 20 | 1 |
| 21 | -9 |
| 22 | -32 |
| 23 | 0 |
| 24 | 56 |
| 25 | 33 |
| 26 | 3 |
| 27 | -9 |
| 28 | -24 |
| 29 | -2 |
| 30 | -8 |
| 31 | -23 |
| 32 | -47 |
| 33 | 7 |
| 34 | 84 |
| 35 | 112 |
| 36 | 0 |
| 37 | -75 |
| 38 | -109 |
| 39 | -1 |
| 40 | 68 |
| 41 | 110 |
| 42 | 0 |
| 43 | -67 |
| 44 | -111 |
| 45 | -1 |
| 46 | 64 |
| 47 | 112 |
| 48 | 0 |
| 49 | -63 |
| 50 | -13 |
| 51 | -1 |
| 52 | -40 |
| 53 | -18 |
| 54 | 0 |
| 55 | 73 |
| 56 | 113 |
| 57 | -1 |
| 58 | -172 |
| 59 | -144 |
| 60 | -8 |
| 61 | 85 |
| 62 | 115 |