| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 88 |
| 3 | 1888 |
| 4 | 32128 |
| 5 | 521728 |
| 6 | 8378368 |
| 7 | 34359083008 |
| 8 | 549753192448 |
| 9 | 2251799645913088 |
| 10 | 9223372026117357568 |
| 11 | 2361183241263023915008 |
| 12 | 2596148429267413634121263069790208 |
| 13 | 2722258935367507707522529418717050175488 |
[12,88,1888,32128,521728,8378368,34359083008, 549753192448,2251799645913088,9223372026117357568, 2361183241263023915008, 2596148429267413634121263069790208, 2722258935367507707522529418717050175488] |