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A111596 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 -2
5 1
6 0
7 6
8 -6
9 1
10 0
11 -24
12 36
13 -12
14 1
15 0
16 120
17 -240
18 120
19 -20
20 1
21 0
22 -720
23 1800
24 -1200
25 300
26 -30
27 1
28 0
29 5040
30 -15120
31 12600
32 -4200
33 630
34 -42
35 1
36 0
37 -40320
38 141120
39 -141120
40 58800
41 -11760
42 1176
43 -56
44 1
45 0
46 362880
47 -1451520
48 1693440
49 -846720
50 211680
51 -28224
52 2016
53 -72
54 1

[1,0,1,0,-2,1,0,6,-6,1,0,-24,36,-12,1,0,120,-240,
 120,-20,1,0,-720,1800,-1200,300,-30,1,0,5040,
 -15120,12600,-4200,630,-42,1,0,-40320,141120,
 -141120,58800,-11760,1176,-56,1,0,362880,-1451520,
 1693440,-846720,211680,-28224,2016,-72,1]

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Last modified February 18 03:44 EST 2020. Contains 332006 sequences. (Running on oeis4.)