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A212791 as a simple table

na(n)
11
21
31
42
52
64
71
82
918
1036
116
1212
1312
1424
1545
1690
1710
1820
192
204
2184
22168
2314
2428
25700
261400
272700
285400
29360
30720
3145
3290
332970
345940
3511550
3623100
3723100
3846200
3990090
40180180
418580
4217160
43780
441560
4570200
46140400

[1,1,1,2,2,4,1,2,18,36,6,12,12,24,45,90,10,20,2,4,
 84,168,14,28,700,1400,2700,5400,360,720,45,90,
 2970,5940,11550,23100,23100,46200,90090,180180,
 8580,17160,780,1560,70200,140400]