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A006028 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 188976
5 0
6 148157184
7 5805342720
8 352501184760
9 14090340827136
10 445990551166720
11 11148730324353024
12 224814298345622160
13 3704888469231108096
14 50486579825291883008
15 574502111223143792640
16 5505259862572668584988

[1,0,0,0,188976,0,148157184,5805342720,
 352501184760,14090340827136,445990551166720,
 11148730324353024,224814298345622160,
 3704888469231108096,50486579825291883008,
 574502111223143792640,5505259862572668584988]

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Last modified March 1 04:59 EST 2024. Contains 370430 sequences. (Running on oeis4.)