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A034171 as a simple table

na(n)
01
16
242
3315
42457
519656
6160056
71320462
811003850
992432340
10781473420
116642524070
1256716936290
13486145168200
144180848446520
1536059817851235
16311811366125385
172702365173086670
1823467908082068450
19204170800313995515
201779202688450532345
2115527587099204645920

[1,6,42,315,2457,19656,160056,1320462,11003850,
 92432340,781473420,6642524070,56716936290,
 486145168200,4180848446520,36059817851235,
 311811366125385,2702365173086670,
 23467908082068450,204170800313995515,
 1779202688450532345,15527587099204645920]