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A211158 as a simple table

na(n)
120
284
3528
41040
53060
64788
710304
814400
926100
1034100
1155440
1269264
13104468
14126420
15180480
16213248
17291924
18338580
19448400
20512400
21660660
22745844
23940608
241051200
251301300
261441908
271756944
281932560
292322900
302538900
313015680
323277824
333852948
344167380

[20,84,528,1040,3060,4788,10304,14400,26100,34100,
 55440,69264,104468,126420,180480,213248,291924,
 338580,448400,512400,660660,745844,940608,1051200,
 1301300,1441908,1756944,1932560,2322900,2538900,
 3015680,3277824,3852948,4167380]