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A145957 as a simple table

na(n)
11
21
31
41
51
61
71
81
93
103
119
129
1323
1423
15125
16125
17821
18821
196239
206239
2171403
2271403
231048093
241048093
2519913069
2619913069
27517074745
28517074745
2917642361171
3017642361171

[1,1,1,1,1,1,1,1,3,3,9,9,23,23,125,125,821,821,
 6239,6239,71403,71403,1048093,1048093,19913069,
 19913069,517074745,517074745,17642361171,
 17642361171]