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A246137 as a simple table

n a(n)
1 0
2 1
3 1
4 1
5 6
6 0
7 120
8 30
9 840
10 0
11 362880
12 0
13 39916800
14 0
15 0
16 64864800
17 1307674368000
18 0
19 355687428096000
20 0
21 0
22 0
23 51090942171709440000
24 0
25 1292600836944248832000
26 0
27 35905578804006912000000
28 0

[0,1,1,1,6,0,120,30,840,0,362880,0,39916800,0,0,
 64864800,1307674368000,0,355687428096000,0,0,0,
 51090942171709440000,0,1292600836944248832000,0,
 35905578804006912000000,0]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)