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A146473 as a simple table

na(n)
11
21
31
41
51
61
73
85
911
1017
1147
12105
13423
141139
155013
1616157
1789505
18364489
192547425
2012720065
21106893393
22655837481
236848268559
2452044360871
25671335193705
266279476454279
2799399530079385
281146233917953945
2922401744159971375

[1,1,1,1,1,1,3,5,11,17,47,105,423,1139,5013,16157,
 89505,364489,2547425,12720065,106893393,655837481,
 6848268559,52044360871,671335193705,6279476454279,
 99399530079385,1146233917953945,22401744159971375]