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 | 1476395008 |
| 2 | 116508327936 |
| 3 | 505627938816 |
| 4 | 640532803911 |
| 5 | 1207460451879 |
| 6 | 1429150367744 |
| 7 | 1458956660623 |
| 8 | 3292564845031 |
| 9 | 3820372951296 |
| 10 | 5056734498816 |
| 11 | 6784304541696 |
| 12 | 8090702381056 |
| 13 | 9095331446784 |
| 14 | 10757095489536 |
| 15 | 10973607685048 |
| 16 | 13505488366293 |
| 17 | 14913065975808 |
| 18 | 38203732951296 |