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A205330 as a simple table

na(n)
1396
24860
363270
4827904
510839696
6141909312
71857980448
824321964032
9318441384576
104168528605696
1154577498150656
12714442081600512
139354000126167040
14122447890915479552
151603175593043457024

[396,4860,63270,827904,10839696,141909312,
 1857980448,24321964032,318441384576,4168528605696,
 54577498150656,714442081600512,9354000126167040,
 122447890915479552,1603175593043457024]