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A114743 as a simple table

na(n)
14
26
310
48
512
620
716
824
940
1032
1148
1280
1364
1496
15160
16128
17192
18320
19256
20384
21640
22512
23768
241280
251024
261536
272560
282048
293072
305120
314096
326144
3310240
348192
3512288
3620480
3716384
3824576
3940960
4032768
4149152
4281920
4365536
4498304
45163840
46131072

[4,6,10,8,12,20,16,24,40,32,48,80,64,96,160,128,
 192,320,256,384,640,512,768,1280,1024,1536,2560,
 2048,3072,5120,4096,6144,10240,8192,12288,20480,
 16384,24576,40960,32768,49152,81920,65536,98304,
 163840,131072]