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A120017 as a simple table

na(n)
11
22
34
410
532
6116
7440
81708
96760
1027232
11111392
12461536
131933024
148170400
1534807232
16149304080
17644298592
182795216576
1912184415360
2053338632256
21234393350912
221033614750080
234572427361536
2420285780245120
2590238113332992

[1,2,4,10,32,116,440,1708,6760,27232,111392,
 461536,1933024,8170400,34807232,149304080,
 644298592,2795216576,12184415360,53338632256,
 234393350912,1033614750080,4572427361536,
 20285780245120,90238113332992]