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A223971 as a simple table

na(n)
146
22116
376092
42558848
584988435
62809740785
792756321858
83060966419662
9100999995564503
103332485315028073
11109953896394879299
123627869207377692043
13119699463417292189730
143949414024096794560292
15130308602654739064528903

[46,2116,76092,2558848,84988435,2809740785,
 92756321858,3060966419662,100999995564503,
 3332485315028073,109953896394879299,
 3627869207377692043,119699463417292189730,
 3949414024096794560292,130308602654739064528903]