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A003542 as a simple table

na(n)
11
231
371
4127
52201
63937
79017
8122921
9279527
103810551
118727391
1215610967
13270549121
14483939977
151108378657
1634359738367

[1,31,71,127,2201,3937,9017,122921,279527,3810551,
 8727391,15610967,270549121,483939977,1108378657,
 34359738367]