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| n | a(n) |
|---|---|
| 1 | 112 |
| 2 | 784 |
| 3 | 5488 |
| 4 | 38416 |
| 5 | 268912 |
| 6 | 1882384 |
| 7 | 13176688 |
| 8 | 92236816 |
| 9 | 645657712 |
| 10 | 4519603984 |
| 11 | 31637227888 |
| 12 | 221460595216 |
| 13 | 1550224166512 |
| 14 | 10851569165584 |
| 15 | 75960984159088 |
| 16 | 531726889113616 |
| 17 | 3722088223795312 |
| 18 | 26054617566567184 |
[112,784,5488,38416,268912,1882384,13176688, 92236816,645657712,4519603984,31637227888, 221460595216,1550224166512,10851569165584, 75960984159088,531726889113616,3722088223795312, 26054617566567184] |