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A055797 as a simple table

na(n)
01
16
222
364
4162
5372
6792
71584
83003
95434
109438
1115808
1225636
1340392
1462016
1593024
16136629
17196878
18278806
19388608
20533830
21723580
22968760
231282320
241679535
252178306
262799486
273567232
284509384

[1,6,22,64,162,372,792,1584,3003,5434,9438,15808,
 25636,40392,62016,93024,136629,196878,278806,
 388608,533830,723580,968760,1282320,1679535,
 2178306,2799486,3567232,4509384]