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A270423 as a simple table

na(n)
01
15
232
3169
4833
53440
614324
758205
8232712
9931985
103730640
1114941693
1259758728
13239101373
14956527673
153826264180

[1,5,32,169,833,3440,14324,58205,232712,931985,
 3730640,14941693,59758728,239101373,956527673,
 3826264180]