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A185074 as a simple table

na(n)
11
22
34
416
536
6447
71274
89443
954094
10995169
113013040
1279403971
13244277081
145853252222
15171545158710
162586069434760
178747524457442
18290539678831816
191002826545775653
2037782799964911391
211405277934671848125
2253429557586727235246
23189496067102901557686

[1,2,4,16,36,447,1274,9443,54094,995169,3013040,
 79403971,244277081,5853252222,171545158710,
 2586069434760,8747524457442,290539678831816,
 1002826545775653,37782799964911391,
 1405277934671848125,53429557586727235246,
 189496067102901557686]