The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 100 |
| 2 | 688 |
| 3 | 688 |
| 4 | 4524 |
| 5 | 9600 |
| 6 | 4524 |
| 7 | 30624 |
| 8 | 121244 |
| 9 | 121244 |
| 10 | 30624 |
| 11 | 203804 |
| 12 | 1629216 |
| 13 | 2848572 |
| 14 | 1629216 |
| 15 | 203804 |
| 16 | 1370656 |
| 17 | 21301696 |
| 18 | 73075844 |
| 19 | 73075844 |
| 20 | 21301696 |
| 21 | 1370656 |
| 22 | 9159084 |
| 23 | 283036828 |
| 24 | 1811192156 |
| 25 | 3725170008 |
| 26 | 1811192156 |
| 27 | 283036828 |
[100,688,688,4524,9600,4524,30624,121244,121244, 30624,203804,1629216,2848572,1629216,203804, 1370656,21301696,73075844,73075844,21301696, 1370656,9159084,283036828,1811192156,3725170008, 1811192156,283036828] |