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 | 46 |
| 4 | 2536 |
| 5 | 558640 |
| 6 | 572783 |
| 7 | 3362407 |
| 8 | 7928108 |
| 9 | 8928803 |
| 10 | 67460050 |
| 11 | 106938971 |
| 12 | 1763350849 |
| 13 | 2501641555 |
| 14 | 2756149047 |
| 15 | 4584349318 |
| 16 | 5713606932 |
| 17 | 17941228664 |
| 18 | 375376083513 |
| 19 | 411124334926 |
| 20 | 452894760105 |
| 21 | 1167680330892 |
| 22 | 1933159894790 |
| 23 | 1946131548918 |
| 24 | 2506032014606 |
| 25 | 2507269866902 |
| 26 | 8217688694093 |