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A120280 as a simple table

na(n)
42
52
64
77
83
93
108
1110
126
136
1420
154
164
174
18132
1930
203
213
2224
23252
2410
2510
26238
2726
2814
2914
3036
3131
325
335
3432
35840
3618
3718
38180
3990
4010
4110
4242
43280
446
456
4638
47264
4821
4921
50210
511540
5226
5326
5452
5510920
569
579
581320
59780
6030
6130
62300
636
646
656
66174
67570
6811
6911
70290
71549
729
739

[2,2,4,7,3,3,8,10,6,6,20,4,4,4,132,30,3,3,24,252,
 10,10,238,26,14,14,36,31,5,5,32,840,18,18,180,90,
 10,10,42,280,6,6,38,264,21,21,210,1540,26,26,52,
 10920,9,9,1320,780,30,30,300,6,6,6,174,570,11,11,
 290,549,9,9]