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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 14 |
| 3 | 320 |
| 4 | 21036 |
| 5 | 4248736 |
| 6 | 2753284608 |
| 7 | 5889659239296 |
| 8 | 42571528094271584 |
| 9 | 1060699597956427433984 |
| 10 | 92622122614950875482410496 |
| 11 | 28732153964162783015337150191616 |
| 12 | 32013867511269166370870196132112760832 |
| 13 | 129287051721999031624124705228031781712207872 |
| 14 | 1906782843976072893849368486957954962408685271556096 |
[1,2,14,320,21036,4248736,2753284608, 5889659239296,42571528094271584, 1060699597956427433984,92622122614950875482410496, 28732153964162783015337150191616, 32013867511269166370870196132112760832, 129287051721999031624124705228031781712207872, 19067828439760728938493684869579549624086852715560\ 96] |