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A088107 as a simple table

na(n)
12
27
361
42521
5120121
69767521
7248648401
85083737121
92679757320241
101105598948454001
11531670984004161
12343973251893070801
1365801152591041067201
141102084393565113358401
15710288051968384142853601

[2,7,61,2521,120121,9767521,248648401,5083737121,
 2679757320241,1105598948454001,531670984004161,
 343973251893070801,65801152591041067201,
 1102084393565113358401,710288051968384142853601]