| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 57 |
| 4 | 532 |
| 5 | 12505 |
| 6 | 93786 |
| 7 | 4941265 |
| 8 | 67117128 |
| 9 | 2324524401 |
| 10 | 40000400110 |
| 11 | 2853116706121 |
| 12 | 35664407810076 |
| 13 | 3634501279107049 |
| 14 | 66672041585829330 |
| 15 | 3503151123049919265 |
| 16 | 147573952606856413456 |
| 17 | 13235844190181388226849 |
| 18 | 236078448452969449231206 |
| 19 | 35611553801885644604231641 |
[1,6,57,532,12505,93786,4941265,67117128, 2324524401,40000400110,2853116706121, 35664407810076,3634501279107049,66672041585829330, 3503151123049919265,147573952606856413456, 13235844190181388226849,236078448452969449231206, 35611553801885644604231641] |