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 | 13516958630 |
| 2 | 13662237610 |
| 3 | 14483820470 |
| 4 | 16161187910 |
| 5 | 16266406870 |
| 6 | 17187072770 |
| 7 | 17779204310 |
| 8 | 18055129190 |
| 9 | 19265719130 |
| 10 | 20027984690 |
| 11 | 20291032090 |
| 12 | 20945054548 |
| 13 | 21036318170 |
| 14 | 21395831170 |
| 15 | 21983936030 |
| 16 | 22134086030 |
| 17 | 22335605390 |
| 18 | 23837897510 |
| 19 | 24709171970 |
| 20 | 25630894310 |
| 21 | 26286582910 |