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A146227 as a simple table

na(n)
11
21
31
41
53
613
737
8183
9817
105601
1159649
12681701
139890411
14176577709
153939621645
16118135623109
174491780681983
18213414295100783
1912753739646336971
20960252990758480757
2192263548659475375193

[1,1,1,1,3,13,37,183,817,5601,59649,681701,
 9890411,176577709,3939621645,118135623109,
 4491780681983,213414295100783,12753739646336971,
 960252990758480757,92263548659475375193]