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 | 3 |
| 3 | 6 |
| 4 | 11 |
| 5 | 51 |
| 6 | 58 |
| 7 | 69 |
| 8 | 1384 |
| 9 | 1397 |
| 10 | 3754 |
| 11 | 3773 |
| 12 | 6702 |
| 13 | 6731 |
| 14 | 84656 |
| 15 | 84693 |
| 16 | 89520 |
| 17 | 89563 |
| 18 | 91878 |
| 19 | 91931 |
| 20 | 173150 |
| 21 | 173211 |
| 22 | 192948 |
| 23 | 193019 |
| 24 | 524659 |
| 25 | 524738 |
| 26 | 865383 |
| 27 | 865472 |
| 28 | 876639 |
| 29 | 876740 |
| 30 | 890581 |
| 31 | 890688 |
| 32 | 904381 |
| 33 | 904494 |
| 34 | 918985 |
| 35 | 919116 |
| 36 | 1629115 |
| 37 | 1629254 |
| 38 | 1647255 |
| 39 | 1647406 |
| 40 | 1666931 |
| 41 | 1667094 |
| 42 | 1687929 |
| 43 | 1688102 |