A215923 - OEIS

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A215923 as a simple table

n	a(n)
1	5
2	203
3	12840
4	14050312
5	4044766240
6	18383354944364
7	12954733199158688
8	152834703746357948488
9	204451724239460493425216
10	4971673449387903153569761420
11	10980920102796579166081443367088

[5,203,12840,14050312,4044766240,18383354944364, 12954733199158688,152834703746357948488, 204451724239460493425216, 4971673449387903153569761420, 10980920102796579166081443367088]