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A183203 as a simple table

na(n)
01
11
23
34
49
514
631
753
8117
9215
10478
11930
122092
134266
149732
1520645
1647820
17104941
18246931
19558190
201334462
213097018
227521731
2317874931
2444092014

[1,1,3,4,9,14,31,53,117,215,478,930,2092,4266,
 9732,20645,47820,104941,246931,558190,1334462,
 3097018,7521731,17874931,44092014]