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A146187 as a simple table

na(n)
11
21
31
41
59
639
7227
81199
96097
1063869
11840409
1212862601
13284127507
147552975051
15252656207179
1610547338792841

[1,1,1,1,9,39,227,1199,6097,63869,840409,12862601,
 284127507,7552975051,252656207179,10547338792841]