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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -3 |
| 3 | -26 |
| 4 | 699 |
| 5 | 56593 |
| 6 | -13751400 |
| 7 | -10024714007 |
| 8 | 21924035781909 |
| 9 | 143843588740390942 |
| 10 | -2831273335253079129477 |
| 11 | -167183859029515480776096431 |
| 12 | 29616119072670305537790075332880 |
| 13 | 15739219935931795986279179944204983649 |
| 14 | -25093400345884972653159910700646932070891747 |
[0,1,-3,-26,699,56593,-13751400,-10024714007, 21924035781909,143843588740390942, -2831273335253079129477, -167183859029515480776096431, 29616119072670305537790075332880, 15739219935931795986279179944204983649, -25093400345884972653159910700646932070891747] |