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A242534 as a simple table

n a(n)
1 1
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 72
11 288
12 3600
13 17856
14 174528
15 2540160
16 14768640
17 101030400
18 1458266112
19 11316188160
20 140951577600
21 2659218508800
22 30255151463424
23 287496736542720
24 5064092578713600
25 76356431941939200
26 987682437203558400
27 19323690313219522560

[1,0,0,0,0,0,0,0,0,72,288,3600,17856,174528,
 2540160,14768640,101030400,1458266112,11316188160,
 140951577600,2659218508800,30255151463424,
 287496736542720,5064092578713600,
 76356431941939200,987682437203558400,
 19323690313219522560]

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)