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 | 128787625 |
| 2 | 153130375 |
| 3 | 356400829 |
| 4 | 647214625 |
| 5 | 1102302937 |
| 6 | 1115157653 |
| 7 | 1214767763 |
| 8 | 1454419637 |
| 9 | 3463512697 |
| 10 | 14796346375 |
| 11 | 18630700451 |
| 12 | 21184951663 |
| 13 | 21323063917 |
| 14 | 21740999671 |
| 15 | 24820429213 |
| 16 | 29704593673 |
| 17 | 32005984375 |
| 18 | 38580208939 |
| 19 | 51770001583 |
| 20 | 53540005609 |
| 21 | 68769820673 |
| 22 | 74352915125 |
| 23 | 89374579111 |
| 24 | 94507253875 |
| 25 | 113872553423 |