A225169 - OEIS

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A225169 as a simple table

n	a(n)
1	1
2	9
3	819
4	7519239
5	695384944860879
6	6470289227069622272847335347359
7	605164280025029017271801950447677089988237937249820002811725119

[1,9,819,7519239,695384944860879, 6470289227069622272847335347359, 60516428002502901727180195044767708998823793724982\ 0002811725119]