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 | 5 |
| 2 | 11 |
| 3 | 53 |
| 4 | 149 |
| 5 | 331 |
| 6 | 449 |
| 7 | 1307 |
| 8 | 1381 |
| 9 | 1777 |
| 10 | 2039 |
| 11 | 2719 |
| 12 | 3041 |
| 13 | 3617 |
| 14 | 3739 |
| 15 | 4243 |
| 16 | 4643 |
| 17 | 4919 |
| 18 | 6263 |
| 19 | 7079 |
| 20 | 9049 |
| 21 | 9629 |
| 22 | 12799 |
| 23 | 16931 |
| 24 | 18257 |
| 25 | 20483 |
| 26 | 21059 |
| 27 | 24061 |
| 28 | 32441 |
| 29 | 32803 |
| 30 | 34267 |
| 31 | 38069 |
| 32 | 42071 |
| 33 | 46703 |
| 34 | 49331 |
| 35 | 53411 |
| 36 | 57173 |
| 37 | 64063 |
| 38 | 68699 |
| 39 | 74587 |
| 40 | 75683 |
| 41 | 105691 |
| 42 | 110291 |