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A030268 as a simple table

na(n)
01
11
21
33
49
535
6153
7791
84597
929988
10215804
111697291
1214457059
13132392971
141295346365
1513468653637
16148142236784
171716782858995
1820889118889021

[1,1,1,3,9,35,153,791,4597,29988,215804,1697291,
 14457059,132392971,1295346365,13468653637,
 148142236784,1716782858995,20889118889021]