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A371041 as a simple table

n a(n)
0 1
1 1
2 4
3 30
4 348
5 5460
6 108480
7 2609040
8 73713360
9 2393087760
10 87791891040
11 3591843726240
12 162157925160000
13 8007919490450880
14 429418816003457280
15 24849579630222547200
16 1543505958412498080000
17 102430107277414595078400
18 7232759636684706937612800

[1,1,4,30,348,5460,108480,2609040,73713360,
 2393087760,87791891040,3591843726240,
 162157925160000,8007919490450880,
 429418816003457280,24849579630222547200,
 1543505958412498080000,102430107277414595078400,
 7232759636684706937612800]

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Last modified May 21 04:19 EDT 2024. Contains 372720 sequences. (Running on oeis4.)