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A227025 as a simple table

na(n)
13
27
37
412
526
612
718
872
972
1018
1125
12171
13335
14171
1525
1633
17368
181366
191366
20368
2133
2242
23729
244948
2510050
264948
27729
2842
2952
301343
3116115
3265317
3365317
3416115
351343
3652
3763
382325
3947659
40375270
41786154
42375270
4347659
442325
4563
4675
473819
48129463
491924848

[3,7,7,12,26,12,18,72,72,18,25,171,335,171,25,33,
 368,1366,1366,368,33,42,729,4948,10050,4948,729,
 42,52,1343,16115,65317,65317,16115,1343,52,63,
 2325,47659,375270,786154,375270,47659,2325,63,75,
 3819,129463,1924848]