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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 13 |
| 4 | 41 |
| 5 | 1529 |
| 6 | -168851 |
| 7 | 14151621 |
| 8 | -1169749807 |
| 9 | 65719458673 |
| 10 | 5735813087573 |
| 11 | -3489760303917315 |
| 12 | 1000904582588332537 |
| 13 | -229661980583327166359 |
| 14 | 41111046331054702141117 |
| 15 | -2494708337718975104154187 |
| 16 | -2794803495926284988945714271 |
[1,1,5,13,41,1529,-168851,14151621,-1169749807, 65719458673,5735813087573,-3489760303917315, 1000904582588332537,-229661980583327166359, 41111046331054702141117, -2494708337718975104154187, -2794803495926284988945714271] |