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A052528 as a simple table

na(n)
01
11
24
38
422
552
6132
7324
8808
92000
104968
1112320
1230576
1375856
14188224
15467008
161158752
172875072
187133632
1917699904
2043916928
21108966400
22270366848
23670832640
241664466176
254129863936
2610246994944
2725424785408
2863083832832

[1,1,4,8,22,52,132,324,808,2000,4968,12320,30576,
 75856,188224,467008,1158752,2875072,7133632,
 17699904,43916928,108966400,270366848,670832640,
 1664466176,4129863936,10246994944,25424785408,
 63083832832]