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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 186 |
| 3 | 103042 |
| 4 | 2150784 |
| 5 | 142466422 |
| 6 | 17477913984 |
| 7 | 1729680196768 |
| 8 | 158221269380622 |
| 9 | 14887507767060602 |
| 10 | 1416719151612712022 |
| 11 | 134288584880419541140 |
| 12 | 12708181576270666389178 |
| 13 | 1203310523895674472408272 |
[0,186,103042,2150784,142466422,17477913984, 1729680196768,158221269380622,14887507767060602, 1416719151612712022,134288584880419541140, 12708181576270666389178,1203310523895674472408272] |