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 | 6 |
| 3 | 120 |
| 4 | 334 |
| 5 | 335 |
| 6 | 804 |
| 7 | 1249 |
| 8 | 2008 |
| 9 | 2010 |
| 10 | 2012 |
| 11 | 2013 |
| 12 | 6556 |
| 13 | 6557 |
| 14 | 6558 |
| 15 | 6801 |
| 16 | 6802 |
| 17 | 6803 |
| 18 | 7496 |
| 19 | 7498 |
| 20 | 7500 |
| 21 | 7501 |
| 22 | 7505 |
| 23 | 10219 |
| 24 | 22633 |
| 25 | 25182 |
| 26 | 25183 |
| 27 | 27074 |
| 28 | 27075 |
| 29 | 27864 |
| 30 | 27866 |
| 31 | 27868 |
| 32 | 31838 |
| 33 | 31839 |
| 34 | 32078 |
| 35 | 36630 |
| 36 | 36633 |
| 37 | 36690 |
| 38 | 36691 |
| 39 | 36914 |
| 40 | 39126 |
| 41 | 39344 |