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 | 2113 |
| 2 | 1823 |
| 3 | 1549 |
| 4 | 1291 |
| 5 | 1049 |
| 6 | 823 |
| 7 | 613 |
| 8 | 419 |
| 9 | 241 |
| 10 | 79 |
| 11 | -67 |
| 12 | -197 |
| 13 | -311 |
| 14 | -409 |
| 15 | -491 |
| 16 | -557 |
| 17 | -607 |
| 18 | -641 |
| 19 | -659 |
| 20 | -661 |
| 21 | -647 |
| 22 | -617 |
| 23 | -571 |
| 24 | -509 |
| 25 | -431 |
| 26 | -337 |
| 27 | -227 |
| 28 | -101 |
| 29 | 41 |
| 30 | 199 |
| 31 | 373 |
| 32 | 563 |
| 33 | 769 |
| 34 | 991 |
| 35 | 1229 |
| 36 | 1483 |
| 37 | 1753 |
| 38 | 2039 |
| 39 | 2341 |
| 40 | 2659 |
| 41 | 3343 |
| 42 | 3709 |
| 43 | 4091 |
| 44 | 4903 |
| 45 | 5333 |
| 46 | 5779 |
| 47 | 6719 |
| 48 | 7213 |