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A227461 as a simple table

n a(n)
1 1
2 2
3 12
4 128
5 1920
6 37104
7 877184
8 24520320
9 791112960
10 28932902400
11 1182789053952
12 53447706998784
13 2645389044480000
14 142326283714836480
15 8270318699325112320
16 516187815998727389184
17 34440412737701955502080
18 2446191865021002009477120
19 184278436717136012676956160 

[1,2,12,128,1920,37104,877184,24520320,791112960,
 28932902400,1182789053952,53447706998784,
 2645389044480000,142326283714836480,
 8270318699325112320,516187815998727389184,
 34440412737701955502080,2446191865021002009477120,
 184278436717136012676956160]

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Last modified May 13 19:11 EDT 2024. Contains 372522 sequences. (Running on oeis4.)