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A129716 as a simple table

n a(n)
0 1
1 2
2 3
3 10
4 40
5 196
6 1176
7 8352
8 66816
9 589248
10 5892480
11 67841280
12 814095360
13 9007096320
14 126099348480
15 3417110323200
16 54673765171200
17 -1593137026252800
18 -28676466472550400
19 6142121597716070400
20 122842431954321408000
21 -24453765000305786880000

[1,2,3,10,40,196,1176,8352,66816,589248,5892480,
 67841280,814095360,9007096320,126099348480,
 3417110323200,54673765171200,-1593137026252800,
 -28676466472550400,6142121597716070400,
 122842431954321408000,-24453765000305786880000]

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Last modified August 25 00:08 EDT 2024. Contains 375418 sequences. (Running on oeis4.)