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A051184 as a simple table

na(n)
00
10
20
30
480
5169125
671102400
718047221707
83623784887164
9638772147728325
10103751227132038920
1115931275037246743999
122348130220089143792148
13335520750110815538499945
1446803828588394634589433120

[0,0,0,0,80,169125,71102400,18047221707,
 3623784887164,638772147728325,103751227132038920,
 15931275037246743999,2348130220089143792148,
 335520750110815538499945,
 46803828588394634589433120]