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A259521 as a simple table

na(n)
11204
233162
3851604
422453286
5589476522
615503669216
7407656116320
810720344908210
9281914700860322
107413627501305340
11194959116068482708
125126921239618282672
13134824786575257866732
143545543860883412901370

[1204,33162,851604,22453286,589476522,15503669216,
 407656116320,10720344908210,281914700860322,
 7413627501305340,194959116068482708,
 5126921239618282672,134824786575257866732,
 3545543860883412901370]