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 | 28 |
| 2 | 784 |
| 3 | 5004 |
| 4 | 34173 |
| 5 | 122770 |
| 6 | 460598 |
| 7 | 1234716 |
| 8 | 3380133 |
| 9 | 7591852 |
| 10 | 17155354 |
| 11 | 34199992 |
| 12 | 67950531 |
| 13 | 124234066 |
| 14 | 225071767 |
| 15 | 385178280 |
| 16 | 650960709 |
| 17 | 1057141184 |
| 18 | 1692165611 |
| 19 | 2633057784 |
| 20 | 4034703001 |
| 21 | 6058479774 |
| 22 | 8956146100 |
| 23 | 13048584888 |