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A260619 as a simple table

n a(n)
0 0
1 0
2 4
3 216
4 165888
5 604800000
6 48372940800000
7 43156963184025600000
8 1392410948543163924480000000
9 668916177911197542484208831692800000
10 8199617664717905359483850194944000000000000000
11 2401010998878767104110478543683244630474752000000000000000

[0,0,4,216,165888,604800000,48372940800000,
 43156963184025600000,1392410948543163924480000000,
 668916177911197542484208831692800000,
 8199617664717905359483850194944000000000000000,
 24010109988787671041104785436832446304747520000000\
 00000000]

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Last modified May 17 12:26 EDT 2024. Contains 372600 sequences. (Running on oeis4.)