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A075497 as a simple table

na(n)
11
22
31
44
56
61
78
828
912
101
1116
12120
13100
1420
151
1632
17496
18720
19260
2030
211
2264
232016
244816
252800
26560
2742
281
29128
308128
3130912
3227216
338400
341064
3556
361
37256
3832640
39193600
40248640
41111216
4221168
431848
4472
451

[1,2,1,4,6,1,8,28,12,1,16,120,100,20,1,32,496,720,
 260,30,1,64,2016,4816,2800,560,42,1,128,8128,
 30912,27216,8400,1064,56,1,256,32640,193600,
 248640,111216,21168,1848,72,1]