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A021744 as a simple table

na(n)
01
116
2167
31442
411193
581228
6563179
73779974
824771725
9159439280
101012078431
116355276746
1239568060897
13244679845972
141504794392723
159213774596558
1656213415403509
17341957238034104
182075218782238855

[1,16,167,1442,11193,81228,563179,3779974,
 24771725,159439280,1012078431,6355276746,
 39568060897,244679845972,1504794392723,
 9213774596558,56213415403509,341957238034104,
 2075218782238855]