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A183449 as a simple table

na(n)
11
2253
31505
47761
5176949
61817225
716192521
8216103851
92491241396
1026807184942
11319246780548
123727927654904
1342498891259325
14496063346878031
155787799084661820
1667059980281582582
17780988033705277709

[1,253,1505,7761,176949,1817225,16192521,
 216103851,2491241396,26807184942,319246780548,
 3727927654904,42498891259325,496063346878031,
 5787799084661820,67059980281582582,
 780988033705277709]