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A276534 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 4
7 12
8 108
9 10584
10 27454896
11 94148851006224
12 246222177535609206635748240
13 62371770277951054762478578990896212287188931341600
14 3750595553941161278345366267513070968239986992860645038477600300348697171928615364721752014400

[1,1,1,1,1,2,4,12,108,10584,27454896,
 94148851006224,246222177535609206635748240,
 62371770277951054762478578990896212287188931341600\
 ,
 37505955539411612783453662675130709682399869928606\
 45038477600300348697171928615364721752014400]

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Last modified September 15 11:09 EDT 2024. Contains 375938 sequences. (Running on oeis4.)