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A153649 as a simple table

na(n)
12
27
37
42
594
62
72
8341
9341
102
112
12413
133972
14413
152
162
17485
1816320
1916320
20485
212
222
23557
2431260
25171660
2631260
27557
282
292
30629
3148792
32774120
33774120
3448792
35629
362
372
38701
3968916
401917012
417556340
421917012
4368916
44701
452
462
47773
4891632
493693648
5036567552
5136567552
523693648
5391632
54773
552

[2,7,7,2,94,2,2,341,341,2,2,413,3972,413,2,2,485,
 16320,16320,485,2,2,557,31260,171660,31260,557,2,
 2,629,48792,774120,774120,48792,629,2,2,701,68916,
 1917012,7556340,1917012,68916,701,2,2,773,91632,
 3693648,36567552,36567552,3693648,91632,773,2]