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A118548 as a simple table

na(n)
11
24
39
436
5144
61296
72916
811664
941616
1082944
11186624
121218816
132214144
1411614464
1521123216
1621233664
1722127616
1827123264
1949787136
20122943744
21146313216
22171714816
23222129216
24429981696
25812934144
261316818944

[1,4,9,36,144,1296,2916,11664,41616,82944,186624,
 1218816,2214144,11614464,21123216,21233664,
 22127616,27123264,49787136,122943744,146313216,
 171714816,222129216,429981696,812934144,
 1316818944]