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A216704 as a simple table

n a(n)
0 1
1 56
2 3360
3 206080
4 12776960
5 797282304
6 49963024384
7 3140532961280
8 197853576560640
9 12486759054049280
10 789163172215914496
11 49932506169297862656
12 3162392057388864634880
13 200447004252955727626240
14 12714067126901763295150080
15 806919460320698577132191744 

[1,56,3360,206080,12776960,797282304,49963024384,
 3140532961280,197853576560640,12486759054049280,
 789163172215914496,49932506169297862656,
 3162392057388864634880,200447004252955727626240,
 12714067126901763295150080,
 806919460320698577132191744]

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Last modified May 16 05:56 EDT 2024. Contains 372549 sequences. (Running on oeis4.)