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 | 174440041 |
| 2 | 3657500101 |
| 3 | 88362852307 |
| 4 | 414507281407 |
| 5 | 2428095424619 |
| 6 | 4952019383323 |
| 7 | 12055296811267 |
| 8 | 17461204521323 |
| 9 | 28871271685163 |
| 10 | 53982894593057 |
| 11 | 75063692618249 |
| 12 | 119543903707171 |
| 13 | 156740126985437 |
| 14 | 180252380737439 |
| 15 | 222334565193649 |