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A146230 as a simple table

na(n)
11
21
31
41
51
63
713
833
961
10183
11597
122481
1311129
1455369
15260691
161725489
1711211005
1897261999
19792491905
208327148961
2184267555083
221143224998469

[1,1,1,1,1,3,13,33,61,183,597,2481,11129,55369,
 260691,1725489,11211005,97261999,792491905,
 8327148961,84267555083,1143224998469]