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A045669 as a simple table

na(n)
00
10
20
312
432
5120
6288
7784
81792
94284
109600
1121824
1247520
13104832
14225792
15487260
161040384
172219520
184699296
199942016
2020930400
2143994748
2292184576
23192843776
24402451200
25838655400
261744404480
273623423328
287515275040

[0,0,0,12,32,120,288,784,1792,4284,9600,21824,
 47520,104832,225792,487260,1040384,2219520,
 4699296,9942016,20930400,43994748,92184576,
 192843776,402451200,838655400,1744404480,
 3623423328,7515275040]