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A317583 as a simple table

na(n)
11
24
38
430
532
6342
7128
83754
911360
1056138
112048
123834670
138192
1427528494
15577439424
162681075210
17131072
18238060300946
19524288
2011045144602614
21115488471132032
2249840258213638
238388608
24152185891301461434
25140102945910265344
26124260001149229146
2785092642310351607968

[1,4,8,30,32,342,128,3754,11360,56138,2048,
 3834670,8192,27528494,577439424,2681075210,131072,
 238060300946,524288,11045144602614,
 115488471132032,49840258213638,8388608,
 152185891301461434,140102945910265344,
 124260001149229146,85092642310351607968]