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A003473 as a simple table

na(n)
11
22
33
48
515
624
749
8128
9189
10480
111023
121536
134095
146272
1510125
1632768
1765025
1896768
19262143
20491520
21583443
222095104
234190209
246291456
2515728625
2633546240
2749545027
28102760448
29268435455
30331776000
31887503681
322147483648
333211797501
348522956800
3512325233375
3625367150592
3768719476735
38137438429184
39206007472125

[1,2,3,8,15,24,49,128,189,480,1023,1536,4095,6272,
 10125,32768,65025,96768,262143,491520,583443,
 2095104,4190209,6291456,15728625,33546240,
 49545027,102760448,268435455,331776000,887503681,
 2147483648,3211797501,8522956800,12325233375,
 25367150592,68719476735,137438429184,206007472125]