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A158207 as a simple table

n a(n)
0 1
1 3
2 36
3 54
4 6480
5 1944
6 326592
7 69984
8 8398080
9 2519424
10 665127936
11 90699264
12 990435962880
13 3265173504
14 78364164096
15 117546246144
16 239794342133760
17 4231664861184
18 13507474236899328
19 152339935002624
20 201088714203463680

[1,3,36,54,6480,1944,326592,69984,8398080,2519424,
 665127936,90699264,990435962880,3265173504,
 78364164096,117546246144,239794342133760,
 4231664861184,13507474236899328,152339935002624,
 201088714203463680]

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Last modified November 27 19:48 EST 2022. Contains 358406 sequences. (Running on oeis4.)