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A028976 as a simple table

na(n)
01
10
2120
3240
4600
51440
62400
73120
85400
97200
1012360
1112000
1218720
1320640
1428800
1539120
1643800
1745120
1862040
1962400
20102120
2188800
22111840
23113040
24151200
25174240
26181200
27189600
28231360
29225600
30350880
31276000
32343320
33343680
34409200
35479760
36511800
37465120
38573600
39568800
40815400
41636000

[1,0,120,240,600,1440,2400,3120,5400,7200,12360,
 12000,18720,20640,28800,39120,43800,45120,62040,
 62400,102120,88800,111840,113040,151200,174240,
 181200,189600,231360,225600,350880,276000,343320,
 343680,409200,479760,511800,465120,573600,568800,
 815400,636000]