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A281179 as a simple table

na(n)
01
12
26
35
428
511
688
7215
8176
9943
1096
113679
12448
1315551
14384
1552607
1635584
17260863
181536
191041919
2023552
214066303
22120832
2316308223
24307200
2565253375
26548864
27261513215
2828426240
29944553983
30114393088
313846012927
32357236736
3316820928511
342143682560

[1,2,6,5,28,11,88,215,176,943,96,3679,448,15551,
 384,52607,35584,260863,1536,1041919,23552,4066303,
 120832,16308223,307200,65253375,548864,261513215,
 28426240,944553983,114393088,3846012927,357236736,
 16820928511,2143682560]