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A150090 as a simple table

na(n)
01
12
26
319
466
5243
6930
73677
814911
961634
10259234
111105147
124767937
1320782106
1491385250
15405000507
161807317447
178114777154
1836636893847
19166234252180
20757672572779
213467591514145
2215929670995318
2373431924702453
24339581832393760
251575001867846787
267324903642155787
2734152593363634683

[1,2,6,19,66,243,930,3677,14911,61634,259234,
 1105147,4767937,20782106,91385250,405000507,
 1807317447,8114777154,36636893847,166234252180,
 757672572779,3467591514145,15929670995318,
 73431924702453,339581832393760,1575001867846787,
 7324903642155787,34152593363634683]