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A135398 as a simple table

na(n)
01
112
22304
37077888
4347892350976
5273593677362757632
63442605166011971360784384
7693087965674784425268322477539328
82232592609368277258783200799359831235362816

[1,12,2304,7077888,347892350976,
 273593677362757632,3442605166011971360784384,
 693087965674784425268322477539328,
 2232592609368277258783200799359831235362816]