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A114426 as a simple table

na(n)
116
2384
313824
4552960
529859840
61672151040
7100329062400
88126654054400
9682638940569600
1060072226770124800
115406500409311232000
12540650040931123200000
1356227604256836812800000

[16,384,13824,552960,29859840,1672151040,
 100329062400,8126654054400,682638940569600,
 60072226770124800,5406500409311232000,
 540650040931123200000,56227604256836812800000]