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A109919 as a simple table

na(n)
11
22
31
43
54
65
76
87
9720
1011
1112
1213
133360
1417
1518
1619
179240
1823
1911793600
2029
2130
2231
2345239040
2437
2559280
2641
2742
2843
2991080
3047
31311875200
3253
33549853920
3459
3560
3661
371072431360
3867
39328440
4071
4172
4273
432533330800
4479
45531360
4683
474701090240
4889

[1,2,1,3,4,5,6,7,720,11,12,13,3360,17,18,19,9240,
 23,11793600,29,30,31,45239040,37,59280,41,42,43,
 91080,47,311875200,53,549853920,59,60,61,
 1072431360,67,328440,71,72,73,2533330800,79,
 531360,83,4701090240,89]