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A178911 as a simple table

n a(n)
1 1
2 6
3 120
4 198
5 3696
6 6240
7 32640
8 56160
9 1941408
10 3592200
11 8119800
12 15628032
13 27125280
14 59032080
15 61788240
16 125859840
17 1635834720
18 2147450880
19 3709081680
20 16328199552
21 26198072160
22 52344970080
23 52396088160
24 209584184160
25 210197601120
26 236223190200
27 237385437360

[1,6,120,198,3696,6240,32640,56160,1941408,
 3592200,8119800,15628032,27125280,59032080,
 61788240,125859840,1635834720,2147450880,
 3709081680,16328199552,26198072160,52344970080,
 52396088160,209584184160,210197601120,
 236223190200,237385437360]

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Last modified April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)