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A108953 as a simple table

na(n)
01
14
223
3192
42184
531728
6560412
711630592
8276921216
97433925120
10222038547840
117301712936960
12262112637864960
1310198096116526080
14427456901317420800
1519202256562264473600
16920321900537337446400
1746874495077202077286400
182528269620326135923507200

[1,4,23,192,2184,31728,560412,11630592,276921216,
 7433925120,222038547840,7301712936960,
 262112637864960,10198096116526080,
 427456901317420800,19202256562264473600,
 920321900537337446400,46874495077202077286400,
 2528269620326135923507200]