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A121457 as a simple table

na(n)
11
21
32
42
53
66
76
88
96
1012
1124
1224
1330
1420
1540
1630
1760
18120
19120
20144
2190
2280
23180
24120
2590
26240
27180
28360
29720
30720
31840
32504
33420
341008
35630
36560
37420
381260
39840
40630
411680
421260
432520
445040
455040
465760
473360
482688
492520
506720
514032
523360
532520
542240
558064

[1,1,2,2,3,6,6,8,6,12,24,24,30,20,40,30,60,120,
 120,144,90,80,180,120,90,240,180,360,720,720,840,
 504,420,1008,630,560,420,1260,840,630,1680,1260,
 2520,5040,5040,5760,3360,2688,2520,6720,4032,3360,
 2520,2240,8064]