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A218132 as a simple table

na(n)
00
10
2504
319656
4262080
51953000
610077480
740353264
8134217216
9387419760
10999999000
112357946360
125159778624
1310604497176
1420661044040
1538443356000
1668719472640
17118587871584
18198359284536
19322687690920
20511999992000
21794280037320
221207269207144

[0,0,504,19656,262080,1953000,10077480,40353264,
 134217216,387419760,999999000,2357946360,
 5159778624,10604497176,20661044040,38443356000,
 68719472640,118587871584,198359284536,
 322687690920,511999992000,794280037320,
 1207269207144]