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 | 5 |
| 3 | 18 |
| 4 | 22 |
| 5 | 25 |
| 6 | 29 |
| 7 | 197 |
| 8 | 1350 |
| 9 | 1360 |
| 10 | 1362 |
| 11 | 1368 |
| 12 | 1381 |
| 13 | 1391 |
| 14 | 1395 |
| 15 | 10200 |
| 16 | 75486 |
| 17 | 75490 |
| 18 | 557768 |
| 19 | 557843 |
| 20 | 557853 |
| 21 | 557898 |
| 22 | 4121846 |
| 23 | 4122064 |
| 24 | 4122112 |
| 25 | 4122222 |
| 26 | 30457732 |
| 27 | 30457773 |
| 28 | 30457835 |
| 29 | 30458040 |
| 30 | 30458133 |
| 31 | 30458138 |
| 32 | 30458140 |
| 33 | 30458335 |
| 34 | 225056911 |
| 35 | 225056919 |
| 36 | 225056925 |
| 37 | 225056989 |