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A090511 as a simple table

na(n)
12
223
323509
42350979
523509791163
62350979116313033
723509791163130331721
82350979116313033172119
92350979116313033172119233
10235097911631303317211923329569
112350979116313033172119233295693119

[2,23,23509,2350979,23509791163,2350979116313033,
 23509791163130331721,2350979116313033172119,
 2350979116313033172119233,
 235097911631303317211923329569,
 2350979116313033172119233295693119]