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 | 21968100 |
| 2 | 37674210 |
| 3 | 81875220 |
| 4 | 356467230 |
| 5 | 416172330 |
| 6 | 750662640 |
| 7 | 1007393730 |
| 8 | 1150070040 |
| 9 | 1586271960 |
| 10 | 1963954650 |
| 11 | 3127171320 |
| 12 | 3669568560 |
| 13 | 4377895410 |
| 14 | 4383541050 |
| 15 | 5575083360 |
| 16 | 5686935870 |
| 17 | 5708418870 |
| 18 | 7365234450 |
| 19 | 7478474430 |
| 20 | 7681046100 |
| 21 | 8453862690 |
| 22 | 8898688680 |