A269343 - OEIS

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A269343 as a simple table

n	a(n)
0	2
1	3
2	18
3	3672
4	24910877376
5	7729246189105080794275923648000
6	230877401507888187121306798555325965236859153667020902009451728482501547497913534258396672000

[2,3,18,3672,24910877376, 7729246189105080794275923648000, 23087740150788818712130679855532596523685915366702\ 0902009451728482501547497913534258396672000]