A172833 - OEIS

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A172833 as a simple table

n	a(n)
1	1
2	1751
3	484582350
4	4855940642591941
5	784651415725030722439025
6	1224549137633779037361672006525000
7	12954552338378953331770652180864486570952000

[1,1751,484582350,4855940642591941, 784651415725030722439025, 1224549137633779037361672006525000, 12954552338378953331770652180864486570952000]