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A179512 as a simple table

na(n)
112
213
315
417
525
647
7117
8409
91985
1013269
11116555
121301043
1317911307
14296651169
155792367991
16131137897895
173395020992813
1899343099511585

[12,13,15,17,25,47,117,409,1985,13269,116555,
 1301043,17911307,296651169,5792367991,
 131137897895,3395020992813,99343099511585]