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A153657 as a simple table

na(n)
12
229
329
42
51678
62
72
824387
924387
102
112
1225955
131362648
1425955
152
162
1727523
1820483624
1920483624
2027523
212
222
2329091
2440833912
251107920632
2640833912
2729091
282
292
3030659
3162413512
3217187432136
3317187432136
3462413512
3530659
362
372
3832227
3985222424
4049222798744
41901876719128
4249222798744
4385222424
4432227
452

[2,29,29,2,1678,2,2,24387,24387,2,2,25955,1362648,
 25955,2,2,27523,20483624,20483624,27523,2,2,29091,
 40833912,1107920632,40833912,29091,2,2,30659,
 62413512,17187432136,17187432136,62413512,30659,2,
 2,32227,85222424,49222798744,901876719128,
 49222798744,85222424,32227,2]