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A261120 as a simple table

na(n)
12
217
3134
4989
57082
650057
7351854
82467349
917284562
10121031297
11847337174
125931714509
1341523064442
14290664639737
152034662044094
1614242663006469
1799698727138722
18697891348251377
194885240212600614
2034196683812727229
21239376793662659402
221675637576559322217

[2,17,134,989,7082,50057,351854,2467349,17284562,
 121031297,847337174,5931714509,41523064442,
 290664639737,2034662044094,14242663006469,
 99698727138722,697891348251377,4885240212600614,
 34196683812727229,239376793662659402,
 1675637576559322217]