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A221872 as a simple table

na(n)
11
21442
3109441
414388224
51572414124
6180850094177
720435867743591
82319666884003899
9262884477993316833

[1,1442,109441,14388224,1572414124,180850094177,
 20435867743591,2319666884003899,
 262884477993316833]