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A351251 as a simple table

na(n)
01
12
23
32
49
518
65
710
815
910
109
1190
1225
1350
1475
1510
16225
17450
18125
19250
2075
21250
221125
232250
24625
2550
261875
271250
285625
2911250
307
3114
3221
3314
3463
3518
3635
3770
38105
3970
4063
41630
4225
43350
44525
4570
461575
473150
48875
49250
50105
511750
527875
5315750
544375
551750
561875
578750
5839375
5978750
6049
6198
62147
6314
64441
65882
66245
67490

[1,2,3,2,9,18,5,10,15,10,9,90,25,50,75,10,225,450,
 125,250,75,250,1125,2250,625,50,1875,1250,5625,
 11250,7,14,21,14,63,18,35,70,105,70,63,630,25,350,
 525,70,1575,3150,875,250,105,1750,7875,15750,4375,
 1750,1875,8750,39375,78750,49,98,147,14,441,882,
 245,490]