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A146752 as a simple table

na(n)
01
17
271
31159
45197
5148025
6730141
729616293
8125438657
91319937329
1077390680651
1176972298827
12319946679037
133504590799071
14289784158718029
1525703039917515461
161114069690728835
17112203290640603311

[1,7,71,1159,5197,148025,730141,29616293,
 125438657,1319937329,77390680651,76972298827,
 319946679037,3504590799071,289784158718029,
 25703039917515461,1114069690728835,
 112203290640603311]