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A219072 as a simple table

na(n)
11
211
3337
432945
514228041
624734141495
7167024618548071
84450580094888603089
9469651231165595918842913
10195869567064782965280559200707

[1,11,337,32945,14228041,24734141495,
 167024618548071,4450580094888603089,
 469651231165595918842913,
 195869567064782965280559200707]