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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 243 |
| 5 | 12750255 |
| 6 | 40396577931 |
| 7 | 41106807537048 |
| 8 | 22745757394235250 |
| 9 | 8699569720553953791 |
| 10 | 2617057246555282014495 |
| 11 | 668634213456480163469985 |
| 12 | 152325974081288304581227794 |
| 13 | 31960987230978975148286275260 |
| 14 | 6315174416665212479526100114476 |
[0,0,0,243,12750255,40396577931,41106807537048, 22745757394235250,8699569720553953791, 2617057246555282014495,668634213456480163469985, 152325974081288304581227794, 31960987230978975148286275260, 6315174416665212479526100114476] |