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A062141 as a simple table

n a(n)
0 1
1 18
2 252
3 3360
4 45360
5 635040
6 9313920
7 143700480
8 2335132800
9 39956716800
10 719220902400
11 13599813427200
12 269729632972800
13 5602076992512000
14 121645100408832000
15 2757288942600192000
16 65140951268929536000
17 1601701037083090944000
18 40932359836567879680000

[1,18,252,3360,45360,635040,9313920,143700480,
 2335132800,39956716800,719220902400,
 13599813427200,269729632972800,5602076992512000,
 121645100408832000,2757288942600192000,
 65140951268929536000,1601701037083090944000,
 40932359836567879680000]

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Last modified April 19 07:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)