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A182966 as a simple table

n a(n)
0 1
1 3
2 6
3 72
4 342
5 3330
6 36720
7 366660
8 4974480
9 67178160
10 1043189280
11 16836906240
12 303306806880
13 5705780240160
14 114832957599360
15 2475901844095680
16 55754442891987840
17 1331875774475326080
18 33292197644365820160

[1,3,6,72,342,3330,36720,366660,4974480,67178160,
 1043189280,16836906240,303306806880,5705780240160,
 114832957599360,2475901844095680,
 55754442891987840,1331875774475326080,
 33292197644365820160]

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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)