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A177278 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 30240
9 159840
10 773040
11 3556752
12 16068708
13 72870932
14 336443754
15 1563452344
16 7255541240
17 33461906400
18 153007409088
19 693538405248
20 3120781544064

[1,1,2,6,24,120,720,5040,30240,159840,773040,
 3556752,16068708,72870932,336443754,1563452344,
 7255541240,33461906400,153007409088,693538405248,
 3120781544064]

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Last modified April 25 13:43 EDT 2024. Contains 371973 sequences. (Running on oeis4.)