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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 9 |
| 3 | 1 |
| 4 | 54 |
| 5 | 225 |
| 6 | 1 |
| 7 | 243 |
| 8 | 4131 |
| 9 | 11025 |
| 10 | 1 |
| 11 | 1008 |
| 12 | 50166 |
| 13 | 457200 |
| 14 | 893025 |
| 15 | 1 |
| 16 | 4077 |
| 17 | 520218 |
| 18 | 11708154 |
| 19 | 70301925 |
| 20 | 108056025 |
| 21 | 1 |
| 22 | 16362 |
| 23 | 5020623 |
| 24 | 243313164 |
| 25 | 3274844175 |
| 26 | 14427513450 |
| 27 | 18261468225 |
| 28 | 1 |
| 29 | 65511 |
| 30 | 46789461 |
| 31 | 4535570691 |
| 32 | 119537963811 |
| 33 | 1107456067125 |
| 34 | 3821273720775 |
| 35 | 4108830350625 |
[1,1,9,1,54,225,1,243,4131,11025,1,1008,50166, 457200,893025,1,4077,520218,11708154,70301925, 108056025,1,16362,5020623,243313164,3274844175, 14427513450,18261468225,1,65511,46789461, 4535570691,119537963811,1107456067125, 3821273720775,4108830350625] |