| n | a(n) |
|---|---|
| 1 | 1025770 |
| 2 | 2047890 |
| 3 | 4256548 |
| 4 | 9680994 |
| 5 | 22754394 |
| 6 | 57035088 |
| 7 | 147069470 |
| 8 | 398750942 |
| 9 | 1109052788 |
| 10 | 3214407394 |
| 11 | 9538239362 |
| 12 | 29310492288 |
| 13 | 92087563578 |
| 14 | 298251455546 |
| 15 | 986587292812 |
| 16 | 3352471090498 |
[1025770,2047890,4256548,9680994,22754394, 57035088,147069470,398750942,1109052788, 3214407394,9538239362,29310492288,92087563578, 298251455546,986587292812,3352471090498] |