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A055373 as a simple table

na(n)
01
11
21
33
46
53
69
727
827
99
1027
11108
12162
13108
1427
1581
16405
17810
18810
19405
2081
21243
221458
233645
244860
253645
261458
27243
28729
295103
3015309
3125515
3225515
3315309
345103
35729
362187
3717496
3861236
39122472
40153090
41122472
4261236
4317496
442187
456561

[1,1,1,3,6,3,9,27,27,9,27,108,162,108,27,81,405,
 810,810,405,81,243,1458,3645,4860,3645,1458,243,
 729,5103,15309,25515,25515,15309,5103,729,2187,
 17496,61236,122472,153090,122472,61236,17496,2187,
 6561]