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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 32 |
| 2 | 528 |
| 3 | 9728 |
| 4 | 197568 |
| 5 | 4424192 |
| 6 | 108461568 |
| 7 | 2895515648 |
| 8 | 83657776128 |
| 9 | 2602257293312 |
| 10 | 86733041246208 |
| 11 | 3084465770528768 |
| 12 | 116595295651135488 |
| 13 | 4668952802696364032 |
| 14 | 197452751427562242048 |
[2,32,528,9728,197568,4424192,108461568, 2895515648,83657776128,2602257293312, 86733041246208,3084465770528768, 116595295651135488,4668952802696364032, 197452751427562242048] |