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 | 171078830 |
| 2 | 268005374 |
| 3 | 321893648 |
| 4 | 336038624 |
| 5 | 487389824 |
| 6 | 600350750 |
| 7 | 663249950 |
| 8 | 668645054 |
| 9 | 938109248 |
| 10 | 1053424448 |
| 11 | 1079741024 |
| 12 | 1102433408 |
| 13 | 1139364224 |
| 14 | 1148927624 |
| 15 | 1267293950 |
| 16 | 1275861950 |
| 17 | 1310259950 |
| 18 | 1344330350 |
| 19 | 1352253824 |