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A192734 as a simple table

na(n)
17
221
3273
416401
51048593
64295032833
71099512676353
89007199256838145
9302231455185132270387201
101208944266358702884257793
111329227995784915872903807060297121793
121393796574908163946347162983661240005427201

[7,21,273,16401,1048593,4295032833,1099512676353,
 9007199256838145,302231455185132270387201,
 1208944266358702884257793,
 1329227995784915872903807060297121793,
 1393796574908163946347162983661240005427201]