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 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 3 |
| 5 | 1 |
| 6 | -1 |
| 7 | -3 |
| 8 | -6 |
| 9 | -7 |
| 10 | -6 |
| 11 | -3 |
| 12 | 3 |
| 13 | 10 |
| 14 | 16 |
| 15 | 19 |
| 16 | 16 |
| 17 | 6 |
| 18 | -10 |
| 19 | -29 |
| 20 | -45 |
| 21 | -51 |
| 22 | -41 |
| 23 | -12 |
| 24 | 33 |
| 25 | 84 |
| 26 | 125 |
| 27 | 137 |
| 28 | 104 |
| 29 | 20 |
| 30 | -105 |
| 31 | -242 |
| 32 | -346 |
| 33 | -366 |
| 34 | -261 |
| 35 | -19 |
| 36 | 327 |
| 37 | 693 |
| 38 | 954 |
| 39 | 973 |
| 40 | 646 |
| 41 | -47 |
| 42 | -1001 |
| 43 | -1974 |
| 44 | -2620 |
| 45 | -2573 |
| 46 | -1572 |
| 47 | 402 |
| 48 | 3022 |