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A107763 as a simple table

n a(n)
1 1
2 1
3 2
4 6
5 12
6 72
7 480
8 864
9 9600
10 108000
11 312000
12 4795200
13 46293120
14 241056000
15 4759413120
16 94182359040
17 478511953920
18 4873965022080
19 122634632171520
20 799554193966080
21 23063946114908160
22 664424069072117760
23 3198456730188840960
24 108184656752428032000
25 2657146152621477888000
26 22850984107452933734400
27 863305241854715928576000
28 15282315334192501724774400
29 151673086024479840160972800

[1,1,2,6,12,72,480,864,9600,108000,312000,4795200,
 46293120,241056000,4759413120,94182359040,
 478511953920,4873965022080,122634632171520,
 799554193966080,23063946114908160,
 664424069072117760,3198456730188840960,
 108184656752428032000,2657146152621477888000,
 22850984107452933734400,863305241854715928576000,
 15282315334192501724774400,
 151673086024479840160972800]

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)