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A026071 as a simple table

na(n)
41
53
612
740
8133
9427
101352
114224
1213080
1340216
14122980
15374452
161136226
173438150
1810380048
1931279728
2094114125
21282804759
22848886180
232545759328
247628718845
2522845628531
2668377674280
27204560102800
28611720539235
291828673918721

[1,3,12,40,133,427,1352,4224,13080,40216,122980,
 374452,1136226,3438150,10380048,31279728,94114125,
 282804759,848886180,2545759328,7628718845,
 22845628531,68377674280,204560102800,611720539235,
 1828673918721]