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A306419 as a simple table

na(n)
01
11
21
31
44
511
632
799
8326
91123
104064
1115291
1259924
13242945
141019584
154409233
1619648674
1789938705
18422744384
192035739041
2010039057524
2150610247483
22260704414816
231370387233859
247346982653702
2540131663286851
26223238920709024
271263531826402891
287273434344119460

[1,1,1,1,4,11,32,99,326,1123,4064,15291,59924,
 242945,1019584,4409233,19648674,89938705,
 422744384,2035739041,10039057524,50610247483,
 260704414816,1370387233859,7346982653702,
 40131663286851,223238920709024,1263531826402891,
 7273434344119460]