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A081863 as a simple table

na(n)
124
2240
3168
4480
5264
621840
724
816320
93192
102640
11552
1243680
1324
146960
1557288
1632640
1724
1815353520
1924
20216480
217224
225520
231128
241485120
25264
2612720
273192
2813920
291416
30454293840
3124
3265280
33258888
34240
3518744
362241613920
3724
38240
3913272
407360320
411992

[24,240,168,480,264,21840,24,16320,3192,2640,552,
 43680,24,6960,57288,32640,24,15353520,24,216480,
 7224,5520,1128,1485120,264,12720,3192,13920,1416,
 454293840,24,65280,258888,240,18744,2241613920,24,
 240,13272,7360320,1992]