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A226180 as a simple table

n a(n)
1 1
2 9
3 75
4 2205
5 25515
6 1715175
7 79053975
8 9577693125
9 184530220875
10 35266981624875
11 4092826025413125
12 66711917764366875
13 92454016466921484375
14 35047468562280596296875
15 7641646200968365570359375
16 3798425171964103092990703125
17 133435000395771234460221796875 

[1,9,75,2205,25515,1715175,79053975,9577693125,
 184530220875,35266981624875,4092826025413125,
 66711917764366875,92454016466921484375,
 35047468562280596296875,7641646200968365570359375,
 3798425171964103092990703125,
 133435000395771234460221796875]

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Last modified September 17 20:43 EDT 2024. Contains 375990 sequences. (Running on oeis4.)