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A340904 as a simple table

na(n)
01
11
25
328
4225
52206
626174
7361278
85704401
9101297701
101998893240
1143386854622
121027353587730
1326353742447280
14728030940612638
1521548668265211778
16680330296613877761
1722821706122361385354
18810587673640374442445
1930390159250481750866640

[1,1,5,28,225,2206,26174,361278,5704401,101297701,
 1998893240,43386854622,1027353587730,
 26353742447280,728030940612638,21548668265211778,
 680330296613877761,22821706122361385354,
 810587673640374442445,30390159250481750866640]