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A002228 as a simple table

na(n)
1331
239139
3253243
44397207
521587171
6781712537
7781712537
825467966877
91304374210679
104331892405391

[331,39139,253243,4397207,21587171,781712537,
 781712537,25467966877,1304374210679,4331892405391]