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A146835 as a simple table

na(n)
11
21
31
41
51
61
71
83
95
1015
1125
1243
13113
14451
151305
166863
1722081
18100557
19420517
202802713
2114484461
22126443483

[1,1,1,1,1,1,1,3,5,15,25,43,113,451,1305,6863,
 22081,100557,420517,2802713,14484461,126443483]