A297049 - OEIS

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A297049 as a simple table

n	a(n)
1	0
2	1
3	24
4	7727
5	2494936740
6	25307171607331423
7	15900270561859760919435630132
8	1222687716170419330982627155048858310990681
9	381227447067591911693777422129578054172394402181491165828756232

[0,1,24,7727,2494936740,25307171607331423, 15900270561859760919435630132, 1222687716170419330982627155048858310990681, 38122744706759191169377742212957805417239440218149\ 1165828756232]