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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 71 |
| 4 | 289 |
| 5 | 360 |
| 6 | 1009 |
| 7 | 1369 |
| 8 | 6485 |
| 9 | 92159 |
| 10 | 375121 |
| 11 | 467280 |
| 12 | 1309681 |
| 13 | 1776961 |
| 14 | 8417525 |
| 15 | 119622311 |
| 16 | 486906769 |
| 17 | 606529080 |
| 18 | 1699964929 |
| 19 | 2306494009 |
| 20 | 10925940965 |
| 21 | 155269667519 |
| 22 | 632004611041 |
| 23 | 787274278560 |
| 24 | 2206553168161 |
| 25 | 2993827446721 |
| 26 | 14181862955045 |
| 27 | 201539908817351 |
| 28 | 820341498224449 |
| 29 | 1021881407041800 |
| 30 | 2864104312308049 |
| 31 | 3885985719349849 |
| 32 | 18408047189707445 |