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A210176 as a simple table

na(n)
11
251
3744
49042
5103752
61165620
712988416
8144259560
91600182816
1017740623696
11196642606464
122179465613472
1324155044021632
14267707038144320
152966944305186816
1632881987112668800
17364423467992173056

[1,51,744,9042,103752,1165620,12988416,144259560,
 1600182816,17740623696,196642606464,2179465613472,
 24155044021632,267707038144320,2966944305186816,
 32881987112668800,364423467992173056]