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A188747 as a simple table

na(n)
12
24
34
48
516
67
716
864
949
1013
1132
12256
13292
14169
1524
1664
171024
181723
191651
20576
2144
22128
234096
2410327
2517286
269504
271936
2881
29256
3016384
3161996
32184411
33176002
3452072
356561
36149
37512
3865536
39371641
401944586
413283906
421605680
43289776
4422201
45274
461024

[2,4,4,8,16,7,16,64,49,13,32,256,292,169,24,64,
 1024,1723,1651,576,44,128,4096,10327,17286,9504,
 1936,81,256,16384,61996,184411,176002,52072,6561,
 149,512,65536,371641,1944586,3283906,1605680,
 289776,22201,274,1024]