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A076374 as a simple table

na(n)
12
210
36
412
59888
690
7672
837680
93422877696
10159840
1135640
122977920
1361724520
149530611200
15272065167360
16613958400

[2,10,6,12,9888,90,672,37680,3422877696,159840,
 35640,2977920,61724520,9530611200,272065167360,
 613958400]