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A209055 as a simple table

na(n)
10
21
31
43
53
616
724
898
9161
10515
11956
122641
135686
1414869
1533986
1684574
17196092
18474284
191110888
202665506
216280574
2215027417
2335701279
2485266546
25202157753
26480306818
271140496671
282711160051
296442522473
3015326524978
3136425732326

[0,1,1,3,3,16,24,98,161,515,956,2641,5686,14869,
 33986,84574,196092,474284,1110888,2665506,6280574,
 15027417,35701279,85266546,202157753,480306818,
 1140496671,2711160051,6442522473,15326524978,
 36425732326]