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A081077 as a simple table

na(n)
06
121
2126
3846
45781
539606
6271446
71860501
812752046
987403806
10599074581
114106118246
1228143753126
13192900153621
141322157322206
159062201101806
1662113250390421
17425730551631126
182918000611027446
1920000273725560981

[6,21,126,846,5781,39606,271446,1860501,12752046,
 87403806,599074581,4106118246,28143753126,
 192900153621,1322157322206,9062201101806,
 62113250390421,425730551631126,2918000611027446,
 20000273725560981]