A352497 - OEIS

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A352497 as a simple table

n	a(n)
0	1
1	1
2	1
3	4
4	11236
5	7536323344
6	130617712445567321629388176
7	22674029183987272821381454688272899049613273568955456

[1,1,1,4,11236,7536323344, 130617712445567321629388176, 22674029183987272821381454688272899049613273568955\ 456]