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A145597 as a simple table

na(n)
21
33
43
56
615
76
810
945
1045
1110
1215
13105
14189
15105
1615
1721
18210
19588
20588
21210
2221
2328
24378
251512
262352
271512
28378
2928
3036
31630
323402
337560
347560
353402
36630
3736
3845
39990
406930
4120790
4229700
4320790
446930
45990
4645
4755
481485
4913068
5050820
5198010
5298010

[1,3,3,6,15,6,10,45,45,10,15,105,189,105,15,21,
 210,588,588,210,21,28,378,1512,2352,1512,378,28,
 36,630,3402,7560,7560,3402,630,36,45,990,6930,
 20790,29700,20790,6930,990,45,55,1485,13068,50820,
 98010,98010]