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A184509 as a simple table

na(n)
01
11
22
35
417
578
6423
72547
816809
9119633
10904868
117217525
1260369382
13526911858
144781722888
1544992996528
16437927234508
174400711725541
1845584253192633
19486049982786691
205328493141214993
2159997231748407317
22693194446470892036

[1,1,2,5,17,78,423,2547,16809,119633,904868,
 7217525,60369382,526911858,4781722888,44992996528,
 437927234508,4400711725541,45584253192633,
 486049982786691,5328493141214993,
 59997231748407317,693194446470892036]