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A140792 as a simple table

na(n)
01
10
20
30
40
50
60
70
80
90
100
11243840
126855968
13107988608
141479751168
1516581217536
16161471882796
171292241296640
189106516329984
1953383279307904
20278420690161824
211218666847725184
224782630191822848

[1,0,0,0,0,0,0,0,0,0,0,243840,6855968,107988608,
 1479751168,16581217536,161471882796,1292241296640,
 9106516329984,53383279307904,278420690161824,
 1218666847725184,4782630191822848]