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A137381 as a simple table

n a(n)
1 1
2 2
3 2
4 1
5 6
6 6
7 0
8 -12
9 0
10 24
11 -12
12 120
13 0
14 -240
15 120
16 360
17 -2280
18 0
19 4800
20 -3600
21 720
22 -13260
23 68040
24 0
25 -151200
26 138600
27 -45360
28 5040
29 638400
30 -2899680
31 0
32 6773760
33 -7056000
34 2963520
35 -564480
36 40320
37 -39630528
38 166320000
39 0
40 -406425600
41 464002560
42 -228614400
43 57576960
44 -7257600
45 362880

[1,2,2,1,6,6,0,-12,0,24,-12,120,0,-240,120,360,
 -2280,0,4800,-3600,720,-13260,68040,0,-151200,
 138600,-45360,5040,638400,-2899680,0,6773760,
 -7056000,2963520,-564480,40320,-39630528,
 166320000,0,-406425600,464002560,-228614400,
 57576960,-7257600,362880]

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)