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A375558 as a simple table

na(n)
01
10
20
30
40
55
60
70
80
9315
106300
110
120
13150150
146306300
1594594500
160
17268017750
1817689171500
19549972423000
207332965640000
211283268987000
22117632990475000
235681673439942500
24155840185781280000
251961530116170625000
261606200062942475000

[1,0,0,0,0,5,0,0,0,315,6300,0,0,150150,6306300,
 94594500,0,268017750,17689171500,549972423000,
 7332965640000,1283268987000,117632990475000,
 5681673439942500,155840185781280000,
 1961530116170625000,1606200062942475000]