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A149509 as a simple table

na(n)
01
11
25
311
447
5155
6579
72233
88593
933469
10135037
11537525
122178673
138924945
1436519777
15150647219
16626290259
172602163219
1810874068199
1945661251703
20191802674707
21808778179043
223422465929651
2314489849379543
2461521249901323
25261890744544831
261115495062342795
274761600058102759

[1,1,5,11,47,155,579,2233,8593,33469,135037,
 537525,2178673,8924945,36519777,150647219,
 626290259,2602163219,10874068199,45661251703,
 191802674707,808778179043,3422465929651,
 14489849379543,61521249901323,261890744544831,
 1115495062342795,4761600058102759]