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A284650 as a simple table

na(n)
11
22
36
412
560
660
7420
8840
92520
10504
115544
125544
1372072
1472072
15360360
16720720
1712252240
1812252240
19232792560
20232792560
21232792560
22232792560
235354228880
245354228880
2526771144400
2626771144400
2780313433200
2880313433200
292329089562800

[1,2,6,12,60,60,420,840,2520,504,5544,5544,72072,
 72072,360360,720720,12252240,12252240,232792560,
 232792560,232792560,232792560,5354228880,
 5354228880,26771144400,26771144400,80313433200,
 80313433200,2329089562800]