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A018030 as a simple table

na(n)
01
12
27
319
450
5135
6361
7963
82570
96859
1018302
1148838
12130321
13347748
14927933
152476099
166607226
1717630734
1847045881
19125537306
20334983955
21893871739
222385208822
236364695153
2416983563041
2545318967619
26120929207914
27322687697779
28861060384775
292297654950384

[1,2,7,19,50,135,361,963,2570,6859,18302,48838,
 130321,347748,927933,2476099,6607226,17630734,
 47045881,125537306,334983955,893871739,2385208822,
 6364695153,16983563041,45318967619,120929207914,
 322687697779,861060384775,2297654950384]