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A088336 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 18
5 90
6 480
7 3360
8 27720
9 249480
10 2479680
11 27276480
12 327650400
13 4259455200
14 59623724160
15 894355862400
16 14309953257600
17 243269205379200
18 4378836875212800
19 83197900629043200
20 1663958347802150400
21 34943125303845158400
22 768748742605299456000

[1,1,1,3,18,90,480,3360,27720,249480,2479680,
 27276480,327650400,4259455200,59623724160,
 894355862400,14309953257600,243269205379200,
 4378836875212800,83197900629043200,
 1663958347802150400,34943125303845158400,
 768748742605299456000]

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Last modified August 22 06:14 EDT 2024. Contains 375356 sequences. (Running on oeis4.)