A259113 - OEIS

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A259113 as a simple table

n	a(n)
0	1
1	40320
2	18598035456000
3	474009962689446543360000
4	170149872975531014630262649651200000
5	442695618409212548301531680485487369256960000000
6	5620045472937667963281036681944526735620775198955929600000000

[1,40320,18598035456000,474009962689446543360000, 170149872975531014630262649651200000, 442695618409212548301531680485487369256960000000, 56200454729376679632810366819445267356207751989559\ 29600000000]