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 | 262143 |
| 1 | 133956095 |
| 2 | 2021408271 |
| 3 | 6872157809 |
| 4 | 11453421238 |
| 5 | 20188081042 |
| 6 | 31219700917 |
| 7 | 37548876508 |
| 8 | 74341529658 |
| 9 | 145177797287 |
| 10 | 249195030418 |
| 11 | 326072676800 |
| 12 | 638246908359 |
| 13 | 992606833010 |
| 14 | 1443854701806 |