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A153760 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 720
8 5760
9 25920
10 86400
11 237600
12 570240
13 1235520
14 892045440
15 13348249200
16 106757164800
17 604924594560
18 2722120577280
19 10344007402560
20 34479959558400
21 24928970490633600
22 546446134633639680
23 6281586217487489040
24 50248618811434961280

[0,0,0,0,0,0,720,5760,25920,86400,237600,570240,
 1235520,892045440,13348249200,106757164800,
 604924594560,2722120577280,10344007402560,
 34479959558400,24928970490633600,
 546446134633639680,6281586217487489040,
 50248618811434961280]

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Last modified May 15 04:25 EDT 2024. Contains 372536 sequences. (Running on oeis4.)