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 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 3 |
| 5 | 3 |
| 6 | 4 |
| 7 | 4 |
| 8 | 4 |
| 9 | 3 |
| 10 | 1 |
| 11 | -2 |
| 12 | -7 |
| 13 | -13 |
| 14 | -22 |
| 15 | -32 |
| 16 | -45 |
| 17 | -58 |
| 18 | -72 |
| 19 | -83 |
| 20 | -90 |
| 21 | -88 |
| 22 | -73 |
| 23 | -39 |
| 24 | 21 |
| 25 | 113 |
| 26 | 245 |
| 27 | 420 |
| 28 | 642 |
| 29 | 905 |
| 30 | 1200 |
| 31 | 1502 |
| 32 | 1776 |
| 33 | 1965 |
| 34 | 1994 |
| 35 | 1763 |
| 36 | 1150 |
| 37 | 14 |
| 38 | -1799 |
| 39 | -4437 |
| 40 | -8026 |
| 41 | -12629 |
| 42 | -18212 |
| 43 | -24578 |
| 44 | -31311 |
| 45 | -37691 |
| 46 | -42625 |
| 47 | -44568 |
| 48 | -41476 |