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A122747 as a simple table

na(n)
01
14
2144
314400
42822400
5914457600
6442597478400
7299195895398400
8269276305858560000
9311283409572495360000
10449493243422683299840000
11792906081397613340917760000
121677789268237349829381980160000
134194473170593374573454950400000000
1412231083765450280256194635366400000000

[1,4,144,14400,2822400,914457600,442597478400,
 299195895398400,269276305858560000,
 311283409572495360000,449493243422683299840000,
 792906081397613340917760000,
 1677789268237349829381980160000,
 4194473170593374573454950400000000,
 12231083765450280256194635366400000000]