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A233196 as a simple table

na(n)
11
23
336
4528
58256
6131328
72098176
833558528
9536887296
108590000128
11137439215616
122199024304128
1335184376283136
14562949970198528
159007199321849856
16144115188344291328
172305843010287435776

[1,3,36,528,8256,131328,2098176,33558528,
 536887296,8590000128,137439215616,2199024304128,
 35184376283136,562949970198528,9007199321849856,
 144115188344291328,2305843010287435776]