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) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 8 |
| 6 | 11 |
| 7 | 12 |
| 8 | 16 |
| 9 | 15 |
| 10 | 20 |
| 11 | 16 |
| 12 | 22 |
| 13 | 14 |
| 14 | 21 |
| 15 | 8 |
| 16 | 16 |
| 17 | -3 |
| 18 | 6 |
| 19 | -20 |
| 20 | -10 |
| 21 | -44 |
| 22 | -33 |
| 23 | -76 |
| 24 | -64 |
| 25 | -117 |
| 26 | -104 |
| 27 | -168 |
| 28 | -154 |
| 29 | -230 |
| 30 | -215 |
| 31 | -304 |
| 32 | -288 |
| 33 | -391 |
| 34 | -374 |
| 35 | -492 |
| 36 | -474 |
| 37 | -608 |
| 38 | -589 |
| 39 | -740 |
| 40 | -720 |
| 41 | -889 |
| 42 | -868 |
| 43 | -1056 |
| 44 | -1034 |
| 45 | -1242 |
| 46 | -1219 |
| 47 | -1448 |
| 48 | -1424 |
| 49 | -1675 |
| 50 | -1650 |
| 51 | -1924 |
| 52 | -1898 |
| 53 | -2196 |
| 54 | -2169 |
| 55 | -2492 |
| 56 | -2464 |
| 57 | -2813 |