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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 112 |
| 2 | 7896 |
| 3 | 453056 |
| 4 | 23232176 |
| 5 | 1113673728 |
| 6 | 51155215360 |
| 7 | 2284897159168 |
| 8 | 100157064553728 |
| 9 | 4334351404617728 |
| 10 | 185915811851773952 |
| 11 | 7925465707325177856 |
| 12 | 336395829865869340672 |
| 13 | 14234737653310804590592 |
[1,112,7896,453056,23232176,1113673728, 51155215360,2284897159168,100157064553728, 4334351404617728,185915811851773952, 7925465707325177856,336395829865869340672, 14234737653310804590592] |