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A279333 as a simple table

n a(n)
0 1
1 1
2 1
3 6
4 6
5 40
6 120
7 5040
8 1008
9 362880
10 362880
11 13305600
12 39916800
13 6227020800
14 6227020800
15 1307674368000
16 1307674368000
17 39520825344000
18 14227497123840
19 121645100408832000
20 121645100408832000
21 51090942171709440000
22 51090942171709440000

[1,1,1,6,6,40,120,5040,1008,362880,362880,
 13305600,39916800,6227020800,6227020800,
 1307674368000,1307674368000,39520825344000,
 14227497123840,121645100408832000,
 121645100408832000,51090942171709440000,
 51090942171709440000]

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Last modified July 11 18:40 EDT 2024. Contains 374234 sequences. (Running on oeis4.)