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A012543 as a simple table

n a(n)
0 1
1 0
2 12
3 240
4 15120
5 1355520
6 182229696
7 33914060544
8 8338432876800
9 2621544212398080
10 1025337444571630592
11 488344333262321119232
12 278250960368816815149056
13 186888075247900824522915840

[1,0,12,240,15120,1355520,182229696,33914060544,
 8338432876800,2621544212398080,
 1025337444571630592,488344333262321119232,
 278250960368816815149056,
 186888075247900824522915840]

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)