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A094002 as a simple table

na(n)
01
15
214
333
472
5151
6310
7629
81268
92547
105106
1110225
1220464
1340943
1481902
15163821
16327660
17655339
181310698
192621417
205242856
2110485735
2220971494
2341943013
2483886052
25167772131
26335544290
27671088609
281342177248
292684354527

[1,5,14,33,72,151,310,629,1268,2547,5106,10225,
 20464,40943,81902,163821,327660,655339,1310698,
 2621417,5242856,10485735,20971494,41943013,
 83886052,167772131,335544290,671088609,1342177248,
 2684354527]