A224199 - OEIS

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A224199 as a simple table

n	a(n)
1	50
2	984
3	16060
4	263516
5	4357084
6	72105068
7	1193130640
8	19742052632
9	326659600368
10	5405039750704
11	89433956076272
12	1479810123371280
13	24485531969701600
14	405147434704078656
15	6703731985610244736

[50,984,16060,263516,4357084,72105068,1193130640, 19742052632,326659600368,5405039750704, 89433956076272,1479810123371280,24485531969701600, 405147434704078656,6703731985610244736]