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A074557 as a simple table

na(n)
03
118
2126
3972
47938
567068
6578826
75065092
844732898
9397517868
103547309626
1131744033812
12284606850258
132554928116668
1422955161402026
15206361331428132
161855841341806018
1716694108488251468
18150196195641088026

[3,18,126,972,7938,67068,578826,5065092,44732898,
 397517868,3547309626,31744033812,284606850258,
 2554928116668,22955161402026,206361331428132,
 1855841341806018,16694108488251468,
 150196195641088026]