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A052225 as a simple table

na(n)
15
227
3141
4837
55757
645357
7403197
83991677
943545597
10518918397
116706022397
1293405311997
131394852659197
1422230464255997
15376610217983997
166758061133823997
17128047474114559997
182554547108585471997

[5,27,141,837,5757,45357,403197,3991677,43545597,
 518918397,6706022397,93405311997,1394852659197,
 22230464255997,376610217983997,6758061133823997,
 128047474114559997,2554547108585471997]