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A358108 as a simple table

n a(n)
0 1
1 20
2 420
3 9296
4 216868
5 5313360
6 135866640
7 3599688000
8 98122746660
9 2735243498960
10 77595234251920
11 2231860533960000
12 64904359322352400
13 1904342118510144320
14 56285527873777258560
15 1673824975976543421696
16 50036226313229526706980
17 1502471400349641645458640

[1,20,420,9296,216868,5313360,135866640,
 3599688000,98122746660,2735243498960,
 77595234251920,2231860533960000,64904359322352400,
 1904342118510144320,56285527873777258560,
 1673824975976543421696,50036226313229526706980,
 1502471400349641645458640]

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Last modified May 28 16:48 EDT 2024. Contains 372916 sequences. (Running on oeis4.)