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A137437 as a simple table

n a(n)
1 1
2 0
3 0
4 0
5 -2
6 0
7 6
8 0
9 -24
10 0
11 120
12 40
13 0
14 -720
15 -420
16 0
17 5040
18 3948
19 0
20 -40320
21 -38304
22 -2240
23 0
24 362880
25 396576
26 50400

[1,0,0,0,-2,0,6,0,-24,0,120,40,0,-720,-420,0,5040,
 3948,0,-40320,-38304,-2240,0,362880,396576,50400]

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Last modified May 1 03:27 EDT 2024. Contains 372148 sequences. (Running on oeis4.)