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A189196 as a simple table

na(n)
12
24
34
48
516
67
716
864
949
1012
1132
12256
13316
14144
1520
1664
171024
182032
191494
20400
2133
22128
234096
2413045
2515326
266446
271089
2854
29256
3016384
3183737
32156564
33101628
3427170
352916
3688
37512
3865536
39537496
401598444
411579664
42657028
43111778
447744
45143
461024
47262144

[2,4,4,8,16,7,16,64,49,12,32,256,316,144,20,64,
 1024,2032,1494,400,33,128,4096,13045,15326,6446,
 1089,54,256,16384,83737,156564,101628,27170,2916,
 88,512,65536,537496,1598444,1579664,657028,111778,
 7744,143,1024,262144]