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A209261 as a simple table

na(n)
01
127
28387
31596559
467137477
51221074483
613065520903
796951759015
8550571544713
92552470327819
1010137858491979
1136314872538111
12130291290501709
13605750213184675
144731091158953615
1553132088082450327
16669920208810550545

[1,27,8387,1596559,67137477,1221074483,
 13065520903,96951759015,550571544713,
 2552470327819,10137858491979,36314872538111,
 130291290501709,605750213184675,4731091158953615,
 53132088082450327,669920208810550545]