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A221347 as a simple table

na(n)
11
21001
360807
44413085
5308965149
622068912649
71581061669545
8113618510899217
98171887820833287
10587983789007292695
1142310129466893396913
123044554852614334562897

[1,1001,60807,4413085,308965149,22068912649,
 1581061669545,113618510899217,8171887820833287,
 587983789007292695,42310129466893396913,
 3044554852614334562897]