A336622 - OEIS

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A336622 as a simple table

n	a(n)
0	1
1	4
2	28
3	1192
4	591460
5	3441637504
6	219272057247376
7	185528149944660881488
8	2405748000504972140803769860
9	349789137657321307953339196885516144
10	652520795984468974632890750361094911319873648

[1,4,28,1192,591460,3441637504,219272057247376, 185528149944660881488, 2405748000504972140803769860, 349789137657321307953339196885516144, 652520795984468974632890750361094911319873648]