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A112490 as a simple table

na(n)
4105
53465
678750
71571570
829957620
9566780500
1010855452608
11212784652080
124295131560720
1389593039854864
141934882739672480
1543302005440341984
161004506274408605056
1724150861883489332096
18601561456166534637312

[105,3465,78750,1571570,29957620,566780500,
 10855452608,212784652080,4295131560720,
 89593039854864,1934882739672480,43302005440341984,
 1004506274408605056,24150861883489332096,
 601561456166534637312]