A198807 - OEIS

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A198807 as a simple table

n	a(n)
0	1
1	6227020800
2	49229914688306352000000
3	1561776277448122046153927884800000000
4	92024242230271040357108320801872044844750000000000
5	7708574168669332219803079339976372645861971547841327593737420800

[1,6227020800,49229914688306352000000, 1561776277448122046153927884800000000, 92024242230271040357108320801872044844750000000000\ , 77085741686693322198030793399763726458619715478413\ 27593737420800]