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A268422 as a simple table

na(n)
139
230295
325770278
417282463434
510053286458091
65273786308929110
72560363569664309507
81170610262171483735817
9510268599126763954210436

[39,30295,25770278,17282463434,10053286458091,
 5273786308929110,2560363569664309507,
 1170610262171483735817,510268599126763954210436]