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A147153 as a simple table

na(n)
11
21
31
41
51
61
71
85
929
1053
11103
12395
131381
144229
1519741
1689165
17570891
183054965
1921029525
20147769545
211255506947

[1,1,1,1,1,1,1,5,29,53,103,395,1381,4229,19741,
 89165,570891,3054965,21029525,147769545,
 1255506947]